This unassembled roof exhaust fan is published with the manufacturer’s full specification — voltage 0, power source wind energy. Made by Hangzhou Ocean Industry Co., Ltd. (20 years on the platform, factory-assessed). Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Unassembled Roof Exhaust Fan
- Model Number: 100MM, 200MM, 300MM
- Power Source: wind energy
- Voltage: 0
- Material: Stainless Steel
- Blade Material: Stainless Steel
- Warranty: 1 Year
Technical Specifications
| Voltage | 0 |
|---|---|
| Type | Roof Axial Fan |
| Material | Stainless Steel |
| Blade Material | Stainless Steel |
| Mounting Type | Roof Fan |
| Bearing Type | Ball Bearing |
| Power Source | wind energy |
| Warranty | 1 Year |
| After-Sales Service Provided | Online support |
| Customized Support | OEM, ODM |
| Place Of Origin | Zhejiang |
| Brand Name | MW |
| Model Number | 100MM, 200MM, 300MM |
| Color | Silver |
| Usage | Air Ventilation |
| Shape | Unassembled |
| Selling Units | Single item |
| Single Package Size | 46X46X23 cm |
| Single Gross Weight | 3.0 kg |
Product Details


Factory Price High Quality Stainless Steel 201 304 316 100/200/300mm Powerless Unassembled Roof Exhaust Fan Ventilation
1.It can absorb the hot air, moisture, dust, foul smell, smoke from residence and from kitchen chimneys of workshops
automatically, also it can decrease indoor noise, increase light.
2.It runs automatically all the time and no stop according to natural weather; It doesn't need any power, saving energy and cost.
3.It is installed on the top of buildings or on the wall with good appearance.
4.Simple and convenient installation, No Operational and Maintenance Cost.
5.No roof leaking, 100% waterproof result with raining or snowing weather.
6.Enhances the architectural and aesthetic appearance of buildings.
7.It suits all roof types with slopes from zero to 22.5degree.
8.Precision steel bearings imported from abroad.
9.Improves efficiency of air conditioning. Where ducted air conditioning is installed at home. It will lower roof space temperatures, thereby reducing the level of heat exchange occurring between air in the attic and the cool air carried within the ducting system. This in turn causes less strain on the air-conditioner unit
MODEL | BLADE | HEIGHT (MM) | VENTILATION DIAMETER (MM) |
OIC-100 | 12 | 200 | 100 |
OIC-160 | 16 | 250 | 160 |
OIC-200 | 20 | 250 | 200 |
OIC-300 | 24 | 330 | 300 |
OIC-360 | 24 | 400 | 360 |
OIC-400 | 26 | 390 | 400 |
OIC-450 | 32 | 500 | 450 |
OIC-A500 | 25 | 500 | 500 |
OIC-500 | 32 | 480 | 500 |
OIC-600 | 32 | 600 | 600 |
OIC-680 | 32 | 610 | 680 |
OIC-800 | 42 | 660 | 800 |
OIC-900 | 48 | 700 | 900 |
OIC-1000 | 48 | 700 | 1000 |
BUILDING TYPE | SQUARE | SELECT MODEL | BUILDING TYPE | HOURLY EXHAUSTS |
STEAM WORKSHOP | 20-40M2/SET | MAIN OIC-500-1000 | WAREHOUSE | 4-8 |
CHEMICAL ODOR WORKSHOP | 30-80M2/SET | MAIN OIC-600-1000 | GARAGE | 4-10 |
DUST WORKSHOP | 40-80M2/SET | MAIN OIC-500-1000 | PRINTING HOUSE | 5-12 |
BREEDING WORKSHOP | 60-100M2/SET | MAIN OIC-400-1000 | ASSEMBLY HALL | 6-12 |
VENTILATION VENTILATION WORKSHOP | 50-100M2/SET | MAIN OIC-500-1000 | CHEMICAL WORKSHOP | 8-14 |
PUBLIC BUILDINGS, RESIDENTIAL BUILDINGS | 40-100M2/SET | MAIN OIC-600-1000 | HIGH TEMPERATURE WORKSHOP | 10-16 |
OTHER | 80-120M2/SET | GENERAL PURPOSE | GYMNASIUM, TENNIS HALL | 3-10 |




With spirit of Honest, Specialty, High quality and Efficiency, we always developing advantages of technology, innovation, energy saving and environmental protection to make sure high quality of products, to enlarge scale, and to actively improving product core competitiveness and persisting in specialty, branding and internationalization.
It work without the electricity power,they can change our air condition indoor,leave us a comfortable environment.
The turbine alway rotate in the same direction no matter of the wind strength or its direction.
It is to be mounted on gravitation based ventilation chimney duct ending.Roof turbine ventilator can exhaust the hot air, waste gas, dust and other harmful gas; meanwhile Beautify our living and surrounding.
It is widely used in home and factory.
You can let me know your warehouse area and temperature and so on and then we can help you to choose the right item and quantity wind-driven ventilator that is installed on the roof top or on the wall to provide effective ventilation for all kinds of building. A good choice to get clean air, to increase working effect and to get good working environment.
A: We are factory.
Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 15 workdays.
2.Production Lead-times: 30 workdays after getting your deposit.
Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
We'll show you the photos of the products and packages before you pay the balance.
Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.
Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we'll check




Ordering and Pricing
- Minimum order quantity: 10 piece
- Volume pricing:
- 10–99 piece: US $20.55 / piece
- 100+ piece: US $17.75 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this unassembled roof 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 unassembled roof exhaust fan be supplied for my local voltage?
The standard configuration is 0. 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 Hangzhou Ocean Industry Co., Ltd., based in China. The company 20 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Hangzhou Ocean Industry Co., Ltd. range on HVACR Nexus.
See more in Axial Flow Fans on HVACR Nexus.























