Rotating Roof Vents, Chimney Cowl Cap, Rain and Rustresistant, Smooth, 200mm, 250mm, 350mm, for Smoke Diversion in Warehouses, Garages, Sunrooms, Turbine Ventilator Top

Stainless steel swivel hood, flue pipe cap, zinc plated swivel hood cap, 11cm, 15cm, 16cm, 20cm, 25cm, 30cm, 35cm, 40cm, swivel hood for ventilation ducts, chimneys and air extractionDimensions4.3 inches/110mm5.9 inches/150mm6.3 inches/160mm7.9 inches/200mm9.8 inches/250mm11.8 inches/300mm13.8 inches/350mm15.7 inches/400mmPackaging110 to 250 mm: ventilated cap x 1 piece, clamp x 1 piece300 mm: vent cap x 1 piece, fixing feet x 3 pieces350 to 400 mm: vent cap x 1 piece, fixing feet x 4 piecesName: Non-powered air cap (chimney hood)Material: 304 stainless steel (internal galvanised rollers)Features1. Easy to install2. No electricity required, energy saving, no noise3. Increase the exhaust value and improve the air inside the chimney4. Protects the chimney from external rain, snow, wind and frost, high temperatureresistantNotes1. The larger the size, the greater the number of blades and the more dense they are2. Please take care when unpacking and installing and wear gloves to avoid scratching3. The product is measured manually, slight errors are within normal limits; due to the influence of light, angle and screen colour, there may be slight colour differences, the product prevails in kind

• 【Smooth Ventilation】Ventilates the chimney all year round, keeping the inside of the chimney dry and protected from rain andmoisture even when it is not heated, and canprevent backflow from the elements
• 【Rustproof and durable】The rotating smoke evacuator is made of thickened 304 stainless steel, which isresistant to pressure and will not deform even under 100kg of high pressure, sturdy and durable for long term use
• 【Rotation without noise】Roof ventilator rotates without noise, rotates with the wind, the strongerthe wind, the faster the rotation speed, up to 200 km/h, flexible and smooth
• 【Use scenario】Widely used for ventilation in kitchens, bathrooms, kitchens and sunrooms in residential buildings, also used for ventilation in public facilities and buildings
• 【PreventSmoke Backflow】The rotating cap helps to extract smoke from our wood burning stove and quickly discharge it from the vent pipe and prevents smoke from backflowing back into the room, avoiding the problem of causing smoke to fill the room