Rotating Roof Vents, Stainless Steel Rotating Chimney Cowl Cap, All Purpose Chimney Cowl, Smooth and Not Easily Deformed, Long Service Life, for Use in Damp, Poorly Ventilated Rooms

Stainless steel chimney cap, rotating chimney vent, galvanised steel rotating oil bath vent, air vent flue terminal, chimney vent for rain and snow, available in 11cm, 15cm, 20cm, 25cm, 30cm, 35cm, 40cmName: Non-powered wind cap (chimney hood)Material: 304 stainless steel (internal components galvanised)Features1. Wind rotation, zero consumption, flexible and noiseless2. 304 stainless steel, waterproof and rust-proof, weatherproof, resistantto high temperature and coldDimensions4.3 inches (110 mm)5.9 inches (150 mm)6.3 inches (160 mm)7.9 inches (200 mm)9.8 inches (250 mm)11.8 inches (300 mm)13.8 inches (350 mm)15.7 inches (400 mm)Packaging110 to 250 mm: vent cap x 1 piece, clamp x 1 piece300 mm: ventilated cap x 1 piece, fixing feet x 3 pieces350 to 400 mm: ventilated cap x 1 piece, fixing feet x 4 piecesNotes1. The larger the size, the greater and more dense the number of blades2. Please take care when unpacking and installing and wear gloves to avoid scratching3. The product is manually measured, slight error within the normal range; due to light, angle and screen colour, there may be a slight colour difference, the product prevails in kind4. If you have any questions about the product, please contact us, we are honoured to serve you

• 【Use scenario】Can be used in balconies, greenhouses, covered terraces, industrial warehouses, damp houses and closed or rarely used rooms or spaces to enhance ventilation and air exchange
• 【Zero energy consumption】It works without electricity thanks to the wind, and the exhaust gas flows equally well, rotating when the wind blows, with flexible rotation and no harsh noise
• 【Easy to install】One person can easily complete the installation, 110 to 250mm chimney hoods are fixed with clamps and 300 to 400mm chimney hoods are reinforced with fixing feet for a solid installation without misalignment or wobbling
• 【Maintenance free】Sturdy and durable, made of thickened 304 stainless steel with galvanized brackets, thick and not easily deformed, no deformation of theturbine blades under high speed operation, no need for careful maintenance, can last long
• 【Ventilation】Use the rotary smoke evacuator to extract air and/or exhaust gas exhalations to speed up indoor and outdoor air circulation and increase ventilation, which can solve the problem of smoky homes and odours