Key specification for this duct ventilation exhaust fan: blade material Stainless Steel, type DC Axail Cooling Fan. Everything below is reproduced from the factory data sheet. Made by Liaocheng Motong Equipments Co., Ltd. (12 years on the platform, typical reply ≤1h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Duct Ventilation Exhaust Fan
- Model Number: 300 type
- Voltage: Other
- Blade Material: Stainless Steel
- Material: 201/304 Stainless Steel
- Warranty: 1 Year
- Place Of Origin: Shandong, China
Technical Specifications
| Voltage | Other |
|---|---|
| Blade Material | Stainless Steel |
| Electric Current Type | AC |
| Mounting Type | Roof Fan |
| Warranty | 1 Year |
| After-Sales Service Provided | Video Technical Support |
| Customized Support | OEM |
| Place Of Origin | Shandong, China |
| Model Number | 300 type |
| Product Name | Roof Poultry Bathroom Kitchen Industrial Duct Ventilation Exhaust Fan |
| Size | 420*420*300mm |
| Name | no power exhaust fan Ventilating Roof Fan |
| Type | DC Axail Cooling Fan |
| Material | 201/304 Stainless Steel |
| MOQ | 20 |
| Bearing | 6200 type |
| Vallum | 24 pieces |
| Blade Belt | 5cm |
| Selling Units | Single item |
| Single Package Size | 42X42X33 cm |
| Single Gross Weight | 2.5 kg |
Product Details
Ceiling Roof Poultry Bathroom Kitchen Industrial Duct Ventilation Exhaust Fan
Our factory:
Our factory has a production area of 10,000 square meters and currently employs more than 200 people. There are more than 20 key technicians, more than 60 professional installers, more than 100 large-scale professional equipment, and more than 300,000 annual productivity.
Our fans are suitable for industrial workshops, power plants, warehouses, hotels, restaurants, high-end communities, flower breeding, animal husbandry, and public facilities.
Integrity, professionalism, quality, service, and our operating principles and guidelines, warmly welcome friends from afar to visit our factory for a better future.


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Our products feature
Power-free – maintenance-free
No need for electricity, automatic exhaust all day, but also reduce the fire caused by a short circuit or voltage overload and other unnecessary unnecessary trouble.
Anti-condensation – anti-rainwater
The fan operates in a climate throughout the day, which can effectively reduce the room temperature and prevent the condensation of indoor roofs in winter. In addition, centrifugal force will be generated during operation, and rainwater must not infiltrate.
Ventilation – high sensitivity
Only 3.2 kilometers per hour breeze or indoor and outdoor temperature difference exceeds 3 degrees Celsius, that is, all-day operation, to achieve the purpose of ventilation.
Noiseless – rugged
Smoke and vacuum, Dehumidify,Flavor
Package




Our service
Pre-Sales Service
* Inquiry and consulting support.
* Sample order available.
* View our Factory.
After-Sales Service
* Training how to instal the fan, training how to mount the fan.
* Engineers available to service machinery overseas.
Ordering and Pricing
- Minimum order quantity: 10 piece
- Volume pricing:
- 10–49 piece: US $16 / piece
- 50–99 piece: US $14.9 / piece
- 100+ piece: US $12.9 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this duct ventilation exhaust fan?
The standard minimum order quantity is 10 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 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the duct ventilation exhaust fan be supplied for my local voltage?
The standard configuration is Other. 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 Liaocheng Motong Equipments Co., Ltd., based in China. The company 12 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Liaocheng Motong Equipments Co., Ltd. range on HVACR Nexus.
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