This roof ventilation exhaust fan is published with the manufacturer’s full specification — 110 V, 220 V, power source Electric. Made by Jiaxing Zhenghe Environmental Engineering Co., Ltd. (2 years on the platform, typical reply ≤3h). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Roof Ventilation Exhaust Fan
- Model Number: 25B-91
- Power Source: Electric
- Voltage: 110 V, 220 V
- Blade Material: Plastic
- Speed: 720m3/h(25426.56ft3/h)
- Warranty: 2 Years
Technical Specifications
| Voltage | 110 V, 220 V |
|---|---|
| Speed | 720m3/h(25426.56ft3/h) |
| Type | Duct Axial Fan |
| Blade Material | Plastic |
| Mounting Type | Ceiling Fan |
| Bearing Type | motor |
| Power Source | Electric |
| Warranty | 2 Years |
| After-Sales Service Provided | Online support |
| Customized Support | OEM |
| Place Of Origin | Zhejiang, China |
| Brand Name | OEM |
| Model Number | 25B-91 |
| Product Name | Exhaust Fan |
| Application | Exhaust Ventilation |
| Installation | Ceiling Mounted |
| MOQ | 500 pcs |
| Color | White |
| Noise | 53~58(DB) |
| Selling Units | Single item |
| Single Package Size | 35X15X36 cm |
| Single Gross Weight | 3.0 kg |
Product Details
The size of hole(mm） | The size of panel(mm） | air volume（m3/h） | Sound pressure(DB) | Power(W） | Pressure（Pa) | |
20B | 240mm*240mm | 290mm*290mm | 480m3/h | ≤53(DB) | 35W | 280Pa |
25B | 290mm*290mm | 345mm*345mm | 720m3/h | ≤55(DB) | 40W | 300Pa |
30B | 340mm*340mm | 400mm*400mm | 1080m3/h | ≤58(DB) | 45W | 340Pa |
A.Our main products are different kinds of indoor ventilators and indoor heaters.
2.Do you accept OEM or ODM?
A.Of course.
3.Can i get a sample?
A.Yes,we can provide paid sample for customers to check the quality first. Most sample charge is refundable after order made.
4.What are our product advantages?
(1) All the motors used in our products are all copper ball bearing motors. When the motor exceeds the rated temperature, it will automatically power off. The wind wheel of the machine is a soft wind wheel specially customized by the technical team of the factory, which will not generate noise due to the deformation of the wind wheel.
(3) Our service team includes: Sales and customer docking department, product control department and professional technology research and development department.
5.What’s the standard package?
A.One box one set, and 3-20 boxes in one master carton. It depends on your product style and actual situation. If you have any questions, you can contact us.
Ordering and Pricing
- Minimum order quantity: 500 piece
- Volume pricing:
- 500–999 piece: US $10 / piece
- 1000–1999 piece: US $9.3 / piece
- 2000+ piece: US $8.6 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this roof ventilation exhaust fan?
The standard minimum order quantity is 500 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 2 Years warranty. Spare parts and technical support remain available after the warranty period.
Can the roof ventilation exhaust fan be supplied for my local voltage?
The standard configuration is 110 V, 220 V. 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 Jiaxing Zhenghe Environmental Engineering Co., Ltd., based in China. The company 2 years as a verified Alibaba.com supplier, Trading Company. Browse the full Jiaxing Zhenghe Environmental Engineering Co., Ltd. range on HVACR Nexus.
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