https://hongguanfan.shop/products/inline-duct-centrifugal-fan-220v41050017956614 Inch Inline Duct Centrifugal Fan 150 CFM79.99//hongguanfan.shop/cdn/shop/products/4_Inch_Inline_Duct_Centrifugal_Fan.jpg?v=1569309611//hongguanfan.shop/cdn/shop/products/4_Inch_Inline_Duct_Centrifugal_Fan_large.jpg?v=1569309611USDInStock163731996749All Products127946850381Featured Products127956779085More Kinds of Fans
【Centrifugal Fan inside】 produced with two layers sound absorbing and sound wave holes to reduce noise level.
【Casing is made of ABS】(FR), Backward-curved centrifugal impeller using PA66(FR), ABS(FR) connection box.
【Brushless motor】 is equipped with automatic reset thermal overload protection. External rotor motor with low temperature rise.
【NSK ball bearing】, acceptable for continuous operation of 50000h.
【-30°C~60°C Operating temperature range】IP44 Protection class, effective waterproof and dustproof. Insulation Class: F.