200mm (8'')Vtronic made Fan. They have 2/3 speeds and the ratings on them are below.
They have an IP rating of 44, Operational Temperature at -20u2103~+60u2103 and V0 flame-retarded rating for fireproof ,Anti-acid .
Standard 3 Years Warranty, and are rated at 50,000 hours continous running.
1).The shell is made of polypropylene plastic, one-time disposable molded, with high anti-acid function.
2) . Using ABS blades, design by hydromechanics to reach the optimal air and pressure.
3) .Two-speed/Three-speed motor, imported NMB ball bearing, it's life expectancy up to 50,000 hours.
4) .IP44 Protection class, waterproof and dustproof more effective.
5) .Can be designed with a delay function, temperature sensors and humidity sensors, more of user-friendly features design.
6) .Run the ambient temperature range: -20°C~60°C.
Shenzhen Vtronic Technology Co., Ltd, Which focuses on the R & D manufacturing of air replacement fresh air ventilation and ventilation equipment, a modern high tech enterprise with main product such as mixed flow inline duct fan, ventilation fan. Headquarter is located in Longhua District Shenzhen, near to the world-famous Misson Hills Golf Club.
Shenzhen Vtronic Technology Co., Ltd, has been always adhered to the way of developing and creating own brand "Vtronic". All of own product comply with CCC, CE and SAA certification. We are at the forefront of overall strength and brand influence in the ventilation industry. Meanwhile, we attach great importance to the user experience and always keep going on satisfying user's needs. Vtronic mixed flow inline products are widely spread to Asian, European, North American, South American and the other countries.
We still practice the " Full Quality" concept and follow the principle of "Quality comes Before Quantities", and we have got good word of mouth among our customers with outstanding quality and superior performance in this industry.