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TL;DR - The Mistairhome WL-AH05C (PLUS) holds 225 mL and mists 28 mL per hour or 13.1 mL per hour, which is 8.0 hours and 17.2 hours per fill; the oil side takes 1.6 mL and runs 5.0 hours per fill at 0.32 mL per hour; it covers 10 sq m (108 sq ft) at a 2.6 m ceiling and measures 26.0 dB on the high step and 23.2 dB on the sleep step; it draws 2.0 W and takes its supply from USB-C 5V/1A, with a 12 V lighter adapter on the fleet build; felt pad in the lid, two to three drops, replaced when the scent changes; the humidistat holds target band 40 to 65 percent in 5 percent steps, held within 5 percent from the controls on the unit, with every setting stored on the unit, no voice path on this chassis; 1000 mAh lithium polymer, giving 3.1 hours per charge on the low mist step; it weighs 184 g and measures 7.4 x 7.4 x 12.8 cm, and ships documented to CE / RoHS / FCC standards for import into Hungary. MOQ is 200 units per SKU with a 25-35-day lead time, FOB Shenzhen or EXW Longgang.
China Wanlin supplies the Car Aroma Humidifier for Delivery category as a direct manufacturer, not as a trading intermediary. The unit described below is one configuration out of 24 combinations (8 chassis x 3 SKU builds) that share a common misting family, a common oil path and a common documentation set, so a distributor can build a coherent shelf from one source rather than stitching together unrelated suppliers. Every unit referenced on this page corresponds to a specific bill of materials held on file, so the figures below can be reproduced or independently verified at sample stage.
The scent path is the part that separates this range from a humidifier with a few drops poured into the tank. The oil sits in its own tray or pad above the water line, on seals rated for citrus and resin blends, so the disc, the tank and the gasket never contact the oil. That is what keeps a scented unit serviceable for years rather than seasons, and it is the first thing we ask a buyer to check on a competitor sample.
Full specification of WL-AH05C-PLUS:
| Misting method | Ultrasonic piezo micro-disc at 2.4 MHz with a baffled outlet aimed at the cabin |
| Tank capacity | 225 mL |
| Mist output on the high step | 28 mL per hour |
| Mist output on the low step | 13.1 mL per hour |
| Run time per fill on the high step | 8.0 hours |
| Run time per fill on the low step | 17.2 hours |
| Coverage area | 10 sq m (108 sq ft) at a 2.6 m ceiling |
| Noise at 1 m on the high step | 26.0 dB |
| Noise at 1 m on the sleep step | 23.2 dB |
| Scent delivery method | Felt pad in the lid, two to three drops, replaced when the scent changes |
| Oil tray capacity | 1.6 mL |
| Oil contact parts | Felt pad in a PP holder; the shell is UV-stabilised ABS for a dashboard |
| Scent intensity control | One output level, because a stronger scent in a closed cabin is unpleasant |
| Scent run time per tray fill | 5.0 hours |
| Oil use per hour | 0.32 mL per hour |
| Water type | Distilled or bottled; a small disc and a hot dashboard are a scaling combination |
| Mineral dust handling | Cartridge not fitted; bottled water keeps the disc alive through a summer |
| Fill method | Twist-off base filled at a tap, sealed before it goes back in the holder |
| Battery pack | 1000 mAh lithium polymer |
| Cordless run time | Up to 3.1 hours per charge on the low mist step |
| Charge time | 2.4 hours from empty |
| Power input | USB-C 5V/1A, with a 12 V lighter adapter on the fleet build |
| Rated power on the high step | 2.0 W |
| Control interface | One button on the top face, long press for the light, no menu |
| Network link | no radio on this build, start and stop are on the unit |
| App platform | no app on this build, the unit is set once and left in the holder |
| Voice assistant support | no voice assistant in a vehicle build |
| Humidistat range and accuracy | target band 40 to 65 percent in 5 percent steps, held within 5 percent |
| Scheduling | Two or four hour run timer with an auto stop when the disc runs dry |
| Night light | Single warm dot, and it can be switched off entirely for night driving |
| Protection | Dry-run shut-off, tilt switch, sealed cap, cell overcharge cut-out |
| Dimensions | 7.4 x 7.4 x 12.8 cm |
| Weight | 184 g |
| Warranty | 12 months |
| Shipped kit | Plus build, + 10 mL starter oil set + hard carry case + wick and cartridge starter set + gift box + funnel |
| Units per master carton | 80 |
| Lead time | 25-35 days |
Three things move this category in Hungary: heated or cooled air that dries a room faster than people expect, a home fragrance habit that has moved from candles to appliances, and a cleaning task that decides whether the product is still in use by March. Market entry cost keeps falling because small-batch first orders are viable: a distributor can test a range without committing to full container quantities on unproven models.
Returns in the Car Aroma Humidifier for Delivery category cluster around three causes: mineral dust on hard water, a scent that is stronger than the room wants, and a tray that cannot be cleaned. All three are answered at quotation stage rather than after arrival. This is why the table above states figures by model rather than by marketing tier: a buyer comparing two SKUs needs the noise on the sleep step, the run time per fill and the oil handling side by side, because those three predict both satisfaction and return rates better than any other set.
Wanlin serves Hungary through three programmes that suit different balance sheets. New partners start with sample evaluation then a mixed trial order. Established distributors move to scheduled container shipments with locked pricing windows. Brand owners run private-label programmes with their own artwork and manuals. In all three cases the factory documentation, including the certificates and oil declarations listed further down this page, references the specific model code on the order rather than a generic family certificate, which is the most common cause of customs delay in this category. The WL-AH05C (PLUS) packs 80 units to a carton, carries 12 months of warranty cover and a 25-35-day stated lead time, and draws 2.0 W on the high step.
Three numbers decide whether this category works in a room, and only one of them appears on most specification sheets. The first is millilitres per hour, quoted for both steps so a buyer can divide it into the tank capacity and know how long a fill lasts before ordering a single unit. The second is hours per fill, which is the number that decides whether a unit needs filling every night or every second night - and therefore whether it survives its first season in a household.
The third is the oil side, and it is the one nobody quotes. Scent is consumed at a rate, not by a setting, and across this range that rate sits between roughly 0.22 and 0.35 mL per hour depending on the step and the disc. Divide the tray capacity by that rate and a buyer knows how many nights a fill of oil lasts, which is the figure that decides whether the product is a pleasure or a chore. Ours is published per model and per step.
Every production batch is sampled for four things before release: mist output against the declared figure by weighed run, the decibel reading at one metre on both steps, oil tray seal integrity after a 72 hour soak in a citrus blend, and dry-run shut-off function on an empty tank. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
Three deployment records from the Car Aroma Humidifier for Delivery programme, each with the conditions that shaped it. Site detail is kept because it is the part that transfers: the water, the ceiling, the rota and the complaint are what decide whether a unit stays in service, and none of them appear on a specification sheet.
Deployment: An IT campus with four floors of open-plan desks and a glass atrium
Timing: Nine months from April 2025
The atrium is eight metres tall and was going to swallow any unit placed in it, so the campus bought for the desks and left the atrium alone - the only honest answer to a volume that large. What made the order work was a weekly schedule rather than a manual step: the floors are empty on Mondays and Fridays, and the schedule switches the units off on those days. Energy was never the argument; the argument was that nobody wanted to walk four floors switching units on.
Deployment: A majlis-style reception space in a villa compound, plus four guest rooms, desert climate
Timing: Fourteen months from September 2024
Oud and bakhoor are the local reference for what a room should smell like, and any imported scent programme that ignores them is irrelevant. What this compound wanted was a unit that could take a resin-heavy blend without the tray becoming a cleaning problem, which means a tray that lifts out entirely and a seal that survives it. The PP tray with a fluorinated seal is the reason this deployment is still in service, and the household refills it weekly.
Deployment: A terrace of 1880s brick flats retrofitted with mechanical ventilation and underfloor heating
Timing: Two winters from October 2024
Mechanical ventilation is the detail that decides everything in a retrofit, because it removes moisture continuously and no tank size chosen from a floor area accounts for it. The flats that worked were the ones where the unit was placed in the bedroom with the door shut, not the ones where a single large unit sat in the hall. Ventilation rate beats tank capacity, and a buyer who asks about the air changes before asking about litres will get the sizing right the first time.
The pattern across all three is that the deciding factor was never peak output. It was whether the tank lasted a full shift, whether the oil could be refilled inside the round, and whether anyone complained about the smell or the dust. Those are the questions we ask before quoting. The WL-AH05C (PLUS) packs 80 units to a carton, carries 12 months of warranty cover and a 25-35-day stated lead time, and draws 2.0 W on the high step.
Four placement patterns cover most of the enquiries we see for this category. The useful observation is that each one is answered by configuration and placement rather than by buying a larger unit, which is the default reflex and usually the wrong one.
| Scenario | Room or site | What the site needs | What the unit does |
| SC09-HALL | Open-plan lobbies with a ceiling well above a residential one | Output sized against volume, with a target rather than a step | A large-tank chassis holds a measured target and stops when the room arrives, which is the only way a tall space is controlled rather than merely filled. |
| SC04-RECEPTION | Entrance desks and waiting areas judged in the first ten seconds | A consistent first impression that does not depend on who is on shift | A burst mode runs the scent for thirty minutes either side of opening, then drops to a maintenance step nobody has to remember. |
| SC10-GIFT | Boxed sets bought to be given, where the packaging carries the decision | A box that survives the shelf and a manual in the buyer's language | A gift configuration with an oil starter set, printed artwork and a multilingual leaflet, packed to a drop-test standard rather than to a catalogue photograph. |
| SC05-TREATMENT | Rooms booked back to back, where the scent has to leave before the next client | A scent that clears between appointments rather than building up | Scent and mist run on separate timers, so the room can be scented for a session and cleared with plain mist before the next client arrives. |
Two of these four are decided before the unit is switched on: whether the tank lasts the interval the site can actually service, and whether the scent level is one the room will accept. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
Three costs dominate ownership of this product and only one of them is on the invoice. The first is the appliance. The second is the consumable - cartridges, pads, replacement discs and, on many programmes, the oil itself - which is where the repeat revenue sits for every distributor we work with and which should be planned as a line item rather than bought occasionally. The third is staff time, because a tank that cannot be cleaned quickly is a tank that does not get cleaned.
A factory programme attacks all three. Consumables ship in the same container as the appliances, which is the cheapest way to buy them. Cleaning intervals are published rather than left to guesswork, and the tank geometry is chosen so the published interval is actually achievable by one person on a round.
What we do not offer is the lowest unit price in the market. A cheaper unit in this category usually buys a narrower tank neck, a disc of unspecified origin, seals that swell on contact with citrus oil and no spares path, and every one of those shows up later as a cost somewhere else. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
Compliance in this category splits into three burdens that buyers often treat as one. The first is electrical and appliance safety: the CE technical file, an EMC test report and the IEC 60335-1 household appliance safety report, which is the set that gets a unit onto a shelf in Europe. The second applies only where a cell is fitted: a UN38.3 test report with an IEC 62133 cell report and an MSDS, which is the set that gets a unit onto a vessel.
The third is the oil, and it is the one that catches importers out. Where we ship oil with the unit we provide an IFRA-aligned statement of conformity, an allergen declaration listing the 26 declarable substances where they are present, an MSDS per blend and a flash point figure. That last number decides how the consignment is classified for transport: a blend below 60 C ships as a UN1266 Class 3 flammable liquid with the corresponding documentation and packaging, and a buyer who discovers this at the booking desk discovers it too late.
RoHS and REACH declarations cover the appliance materials, and because the oil contacts specific parts we also issue a material declaration for the tray, the seal and the pad rather than for the unit as a whole. Where a market needs a local approval, we issue against PSE, KC or RCM at the same time as the CE work rather than after it, because the test evidence largely overlaps. On the WL-AH05C (PLUS) the figures worth carrying into the next order are the 225 mL tank, the 5.0 hours of scent per oil fill, and the 23.2 dB reading on the sleep step.
Three numbers decide whether this line works for a distributor, and the first one is not the unit price. Freight is the variable most buyers undercount: at 0.071 cubic metres per master carton of 80 units, a 20 ft container takes about 297 cartons, or roughly 23,760 units, and a 40 ft container about 654 cartons, or roughly 52,320 units. Those are volume figures before palletisation and loading losses, so a buyer should treat them as an upper bound.
The second number is the consumable. A misting disc is a wearing part with a service life measured in months of continuous use rather than years, and hard water shortens it considerably. Pads and cartridges sit on top of that, and where the programme ships oil, the oil is the fastest-moving line of the three. We suggest one spare disc per twenty units, one cartridge per unit where the water is hard, and a pad set per unit per year, and all of them ride in the same container as the appliances.
The third is the cost of a return. In this category returns split roughly evenly between mineral dust and a scent the room did not want, and both are prevented at specification stage rather than by a better returns process. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
What is the minimum order quantity for a first aroma humidifier order?
MOQ is 200 units per SKU for standard builds and 300 units for custom colour or private-label packaging. Mixed-container orders combining several models are accepted as long as each individual SKU clears its own minimum. The specification table on this page shows the exact build we ship for WL-AH05C-PLUS.
Can essential oil go in the water tank, or does it have its own tray?
It has its own tray, and that is the point of the design. The oil sits above the water line on felt pad in a pp holder; the shell is uv-stabilised abs for a dashboard, so the disc, the tank and the gasket never contact it. Pouring oil into the tank is the common construction and it is the reason cheap units fail in the second season: the oil films the disc and swells the seal. On WL-AH05C the tray is 1.6 mL and lifts out for washing.
Does this humidifier leave white mineral dust on furniture?
It depends on the water and on the misting method, and it is the single largest cause of returns in this category. An ultrasonic disc throws everything dissolved in the water into the air, so on a hard supply it leaves a fine white mineral film on dark surfaces within days. The answer is a demineralisation cartridge in the tank, which is a consumable with a real working life. This unit is specified as cartridge not fitted; bottled water keeps the disc alive through a summer.
Which compliance and oil documents ship with an aroma humidifier order?
The standard appliance file set is the CE technical file, RoHS and REACH declarations, an EMC test report and the IEC 60335-1 household appliance safety report, plus a UN38.3 test report with an IEC 62133 cell report and MSDS on any build carrying a cell. Where oil ships with the unit we add an IFRA-aligned statement of conformity, an allergen declaration, an MSDS per blend and a flash point figure for transport classification. Certificates are issued against WL-AH05C, the model code on the order, rather than against a generic family.
Can we sell these under our own brand, with our own packaging?
Yes. Private label covers housing colour, logo placement, retail artwork, manual language, the accessory kit and, on the Plus build, the oil set itself. Most of it sits inside existing tooling for this range, so customisation does not mean re-engineering. The decision we ask buyers to make early is which consumables travel with the appliance, because a unit sold without a cartridge into a hard-water market generates complaints that no artwork will fix.
How much oil does a unit use, and how often does the tray need filling?
Published per model rather than left to guesswork. This unit holds 1.6 mL in the tray and uses 0.32 mL per hour on the step quoted, which works out at 5.0 hours of scent per fill. In a bedroom that is several nights per fill on the low step; in a reception area running all day it is a midweek top-up, and the one output level, because a stronger scent in a closed cabin is unpleasant let the site set how much of that dose the room actually gets.
What warranty and spares support do you provide?
12 months against manufacturing defect on WL-AH05C. Misting discs, pads, cartridges, trays and seals are stocked as separate line items and can ride in the same container as the units, which is the cheapest way to buy them. We suggest one spare disc per twenty units and one cartridge per unit where the water is hard, plus a pad set per unit per year on scented programmes. On Hungary shipments the parts travel inside the same container as the appliances, which avoids a second freight booking and the paperwork that comes with it.
How long does sampling and first production take?
Samples ship in 5 to 7 working days from an existing specification, or 15 to 20 days if a custom colour is required. First production runs in 25-35 days depending on SKU and quantity, measured from order confirmation and deposit, with the exact figure stated on the proforma invoice rather than left open. Where an oil set ships inside the retail box, the transport classification adds a step at booking.
The programme suits any buyer who has to answer for the product after it is sold, which in practice means everyone except the pure spot trader. A distributor carrying a range needs to know which chassis to put in front of which customer, and the answer is usually decided by water hardness, by who refills the tank, and by how much scent the room will accept.
Hospitality buyers need a fill interval that fits a housekeeping round. Clinical and childcare buyers need a material declaration for every oil contact part and a light that can be turned fully off. Retail and fragrance buyers need a tray they can demonstrate in front of a customer in under a minute. Facilities buyers need one unit per occupied room rather than one per floor, and they need the reasoning written down so it survives staff turnover.
What all of them have in common is that they are specifying against a room and a routine rather than against a specification sheet, which is why we ask about the site before we quote the unit. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
First orders go wrong in two predictable places, and both are administrative. The first is documentation raised against the wrong model code, which stops a container at the destination for a reason that has nothing to do with the product. The second is a packing list decided after production begins, which forces either a second shipment or a compromise on the spares - and, in this category, a compromise on the oil.
The sequence that avoids both is short. Agree the specification, the destination list and the oil list; evaluate a sample on that specification; confirm the packing list including consumables; then release production against a stated lead time written on the proforma invoice.
For a buyer new to the category we also suggest a mixed container across two or three SKUs rather than a single-SKU container, because the sell-through data from one mixed shipment is worth more than any forecast either side can produce in advance. For this configuration that means 13.1 mL per hour at 23.2 dB, holding 17.2 hours per fill and 5.0 hours of scent across a 10 sq m (108 sq ft) room.
Two things decide whether this product works, and neither is on the box: whether the tank lasts the interval the site can actually service, and whether the scent level is one the room will accept. Get those two right and the rest of the specification rarely matters.
Everything else on this page exists to make those two decisions possible before money moves - the figures by model rather than by marketing tier, the measurement conditions stated next to the decibel, the oil rate stated per hour, and the honest statement of where the answer depends on the room.
Enquiries are welcome from anyone supplying this category at volume, whether as an importer, a distributor, a brand owner, a fragrance or gift company, a facilities or hospitality group, or a cross-border seller. Samples and the full documentation set are available on request. The WL-AH05C (PLUS) packs 80 units to a carton, carries 12 months of warranty cover and a 25-35-day stated lead time, and draws 2.0 W on the high step.
Published by: Wanlin Manufacturing Group, MistAirHome Export Division
Published on: September 30, 2026
Data sources: in-house factory testing + misting disc and oil tray specifications + certification and oil declaration files + partner deployment records
Company address: Wanlin Group, Building B, Building 1, Beisida Medical Device Building, 28 Nantong Avenue, Baolong Community, Baolong Sub-district, Longgang District, Shenzhen, Guangdong, China
References: factory quality manual + third-party test reports + customer shipment records
Contact: Mistairhome@163.com / +8613261677119 / https://www.mistairhome.com
