Cgjdfjhe One Color Unpowered Wind Cap, Roof Vents Round Exhaust Ventilation Cap For Flue, With Galvanized Bearing(Dia.500mm 500Mm)
CGJdfjhE
♥【No Noise & Rainproof】Roof vent turbine has low noise during spinning. Encrypted blade clearance is small enough to prevent rain from entering the ventilation system. Also keeps out birds and rodents. ♥【Stainless Steel Roof Turbine】Made up of thickened stainless steel material, rainproof, anti-rust, high hardness, and durable, easy to clean. ♥【Wide Application】Suitable for chimneys, farms, factory roofs, ventilation ducts, warehouses of vent pipes/hoses, bathroom vents & extractors, air conditioning units, kitchen fans & vents. ♥【No Power Chimney Cap】The use of natural wind and indoor temperature difference caused by air heat convection to push the turbine to rotate, so as to use centrifugal force and negative pressure effect to expel indoor fresh air. 304 stainless steel unpowered overhead turbine fan can realize automatic rotary ventilation, which is suitable for exhaust in workshops, warehouses, attics or flues., Manufacturer: CGJdfjhE
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