Wind Turbines Air Vents, Chimney Spinner Cowl, Rotating Cap Ventilation Pipe, 304 Stainless Steel, Waterproof, 15cm, 20cm, 35cm, Antiageing, for Residential Flue, Factory Roof Vent

Chimney cap, smoke evacuator, rotating chimney, flue ventilator for 11 cm, 15 cm, 16 cm, 20 cm, 25 cm, 30 cm, 35 cm, 40 cm chimney ducts, factory, pigsty, farm roof ventilator Name: Non-powered wind cap (chimney hood) Material: 304 stainless steel (galvanised rollers) Packaging 110 to 250 mm: Ventilation cap x 1 piece, clamp x 1 piece 300 mm: Ventilation cap x 1 piece, fixing feet x 3 pieces 350 to 400 mm: vent cap x 1 piece, fixing feet x 4 pieces Dimensions 110 mm/4.3inch, 150 mm/5.9inch, 160 mm/6.3inch, 200 mm/7.9inch, 250 mm/9.8inch, 300 mm/11.8inch, 350 mm/13.8inch, 400 mm/15.7inch Notes 1. Please take care when unpacking and installing and wear gloves to avoid scratching 2. Products are measured manually, slight errors are within the normal range; there may be slight colour differences due to light, angle and screen colour, the product shall prevail in kind 3. If you have any questions, please feel free to contact us, we will give you an answer within 24 hours

• 【Thickened material】Made of high-quality 304 stainless steel carefully polished surface, smooth and delicate touch, silver appearance, simple but not outdated, can be used for a long time in the outdoor
• 【No power loss】The chimney hood rotates flexibly without any power loss, no blockage during rotation, no harsh noise, environmental protection and energy saving, safe and
• 【Widely used】For farms, roof flue, PVC pipes, concrete houses, color steel roof, keel shed, discharge indoor fresh air, improve the indoor air environment
• 【Stops backflow】The chimney hood creates a suction force as it rotates, sucking smoke and foul air out of the room through the ducts and effectively preventingsmoke from backing up and filling the room with smoke
• 【Quick to install】Easy to install, the chimney hood is a finished product, no need to reassemble, just attach it to the pipe to be installed and start running (11 to 25 cm: clamps, 30 to 40 cm: fixing feet)