The ventilation ceiling exhaust fan listed here carries 110V/220V, power source Electric, documented exactly as the manufacturer publishes it. Made by Zhejiang Lavfill Electrical Technology Co., Ltd. (11 years on the platform, typical reply ≤8h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Ventilation Ceiling Exhaust Fan
- Model Number: LFWW-09QH-4S
- Power Source: Electric
- Voltage: 110V/220V
- Blade Material: Plastic
- Material: Plastic Blade Aluminum Panel
- Motor Material: 100% Copper
Technical Specifications
| Voltage | 110V/220V |
|---|---|
| Type | Wall-Mounted Axial Fan |
| Blade Material | Plastic |
| Mounting Type | Wall/ Ceiling Mount |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 3 Years |
| After-Sales Service Provided | Free Spare Parts |
| Customized Support | OEM, ODM, OBM |
| Place Of Origin | Zhejiang, China |
| Brand Name | OEM/LAVFILL |
| Model Number | LFWW-09QH-4S |
| Material | Plastic Blade Aluminum Panel |
| Motor Type | Slide Bearing / Ball Bearing |
| Motor Material | 100% Copper |
| Thermal Protection | Yes |
| Timer/Sensor/Humidity Sensor | Optional |
| Panel Dimension | 150*150mm |
| Outlet Size | 100mm |
| Product Name | Ventilation Ceiling Exhaust Fan Ventilator 4inch with Humidity Sensor |
| Selling Units | Single item |
| Single Package Size | 15.3X13.2X16 cm |
| Single Gross Weight | 0.700 kg |
Product Details


Ventilation Ceiling Exhaust Fan Ventilator 4inch with Humidity Sensor
●The fan is suitable for wall/window/ ceiling mounting.
●Shutter, ring are optional, ring is needed for window mounting.
●Easy installation
● Shaded pole motor with thermo cut-off
●Ball bearing motor to reduce friction for long life operation
●Modern and functional design
● Front louver for safety protection
● Safety design based on IEC requirements
●Approved by SAA TUV SASO CE RoHS
● More functions
+ With humidity sensor adjustable humidity range 60%-90%, the humidity level from 60%-90% can be shown by four LED indicators, adjustable time range 0 -30 mins, the original factory setting is 60%, 1min.
+ With timer adjustable time range 0 -30 mins, the original factory setting is 1 mins.
+ With motion sensor sensing range of 0.5m ≤ D ≤8m, angle 180°*360° delay timer adjustable time range 1 -30 mins


Installation Dimension Unit: mm | ||||||||
Article No. | A | B | C | D | ||||
LFWW-09Q-4S | ø100 | 150 | 90 | 35 | ||||
LFWW-09QT-4S | ||||||||
LFWW-09QH-4S | ||||||||
LFWW-13Q-4S | ø150 | 193 | 100 | 35 | ||||
LFWW-13QT-4S | ||||||||
LFWW-13QH-4S | ||||||||
Technical Parameter: | ||||||||||
Article.No | Category | Rated Voltage/Frequency | Power | Air Volume | Noise | |||||
LFWW-09Q-4S | Wall/Window Type Extractor Fan | 110V~ 60Hz 127V~ 60Hz 220V~ 50Hz 220V~ 60Hz 220V~ 50/60Hz 220-240V~ 50Hz | 12W | 95m³/h | 34dB | |||||
LFWW-09QT-4S | ||||||||||
LFWW-09QH-4S | ||||||||||
LFWW-13Q-4S | 18W | 240m³/h | 35dB | |||||||
LFWW-13QT-4S | ||||||||||
LFWW-13QH-4S | ||||||||||
Note: T – with Timer H – with Humidity Sensor -4S -Silver Aluminum Panel | ||||||||||




Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100–499 piece: US $19.95 / piece
- 500–999 piece: US $17.07 / piece
- 1000+ piece: US $16.58 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this ventilation ceiling exhaust fan?
The standard minimum order quantity is 100 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 3 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the ventilation ceiling exhaust fan be supplied for my local voltage?
The standard configuration is 110V/220V. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Zhejiang Lavfill Electrical Technology Co., Ltd., based in China. The company 11 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Zhejiang Lavfill Electrical Technology Co., Ltd. range on HVACR Nexus.
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