15cm Rotating Roof Vents, 25cm Wind Turbines Air Vents, 30cm Chimney Spinner Cowl, 304 Stainless Steel, Wind Rotating, Flexible and Noiseless, for Factories, Garages, Bathroom Vent

Fireplace chimney tops, stainless steel swivel chimney caps, chimney mouths, chimney caps, chimney tops to withstand weather changes and provide a steady draft for the chimney in bad winds Dimensions 4.3inches (110mm) incl. 1 clamp 5.9inches (150mm) incl. 1 clamp 6.3inches (160mm) incl. 1 clamp 7.9inches (200mm) incl. 1 clamp 9.8inches (250mm) incl. 1 clamp 11.8inches (300mm) incl. 3 fixing feet 13.8inches (350mm) incl. 4 fixing feet 15.7inches (400mm) incl. 4 fixing feet Name: Non-powered wind cap (chimney hood) Material: 304 stainless steel (internal components galvanised) Advantages 1. Improves indoor air quality 2. Prevents backflow of smoke and has a deflecting effect 3. Wind rotation, saving energy 4. Improves exhaust gas emissions 5. Protects the chimney hood from rain andmoisture Packaging 110 to 250 mm: vent cap x 1 piece with 1 clamp 300 mm: vent cap x 1 piece with 3 fixing feet 350 to 400 mm: vent cap x 1 piece with 4 fixing feet Notes 1. The larger the size, the greater the number of blades and the more dense they are 2. Please take care when unpacking and installing and wear gloves to avoid scratches 3. If you have any questions about the product, please contact us, we are pleased to serve you

• 【Reinforced material】Made of reinforced 304 stainless steel, rainproof tested, installed toprevent rainwater from entering the pipe, not afraid of bad weather, rain and snow is not easy to rust damage
• 【Multi-functional use scenario】Used in industrial plants, residential buildings, underground construction, underground stations, small factories, farms, can also be used in the bathroom, kitchen, office ventilation exhaust port
• 【Galvanized Roller】Chimney Cap Studio does not need any power loss, just install it on the roof vent, it will run when the wind blows, and the indoor non-fresh air will be discharged quickly
• 【Mounting accessories】Mounting accessories are included with the chimney hood, 110 to 250mm exhaust hoods are secured with clamps and 300 to 400mm with fixing feet for better stability and no shifting when rotating
• 【Slope mountable】The rotating chimney hood has a cross-angle neck pipe at the bottom, which can be used not only for flat floor, flue and pipe installation, but also for installation on slopes from 0 to 22.5°, making installation easy and quick, saving time and effort