Roof unpowered Rotating Vent Hood, Rotating roof Vent, 304 Stainless Steel roof Vent Outlet, air Outlet, unpowered Rotating, Anti-Wind and Rainproof

Working principle: The rings of this chimney cap are specially designed and stacked so that wind cannot pass through the chimney, making this cap the perfect solution for preventing downdrafts. This pot won't let oil fumes in feature: //Swivel hood for ventilation ducts, chimneys and extraction. The jacket provides maximum protection without compromising the performance of the chimney. //Stainless steel swivel chimney cap: swivels to prevent downdraft and fits most standard chimney caps. Very effective for wind protection and improved ventilation. //The hat is designed to rotate with the influence of the wind. The stronger the wind blows, the more the blades spin and the more air is sucked in from the inside out. Specification: Material: 304 stainless steel size: 100 mm (3.9 inches) 110 mm (4.3 inches) 150 mm (5.9 inches) 200 mm (7.9 inches) 250 mm (9.8 inches) 300 mm (11.8 inches) 350 mm (13.8 inches) 400 mm (15.7 inches) 450 mm (17.7 inches) 500 mm (19.7 inches) Package Contents: 1*stainless steel top cover We provide you with quality products and services, and we're happy to help you solve any problems you may have so you don't have to worry. We strive for complete customer satisfaction If you encounter any problems, please send us an email.

• Stainless Steel: Top universal chimney cover, stainless steel chimney cover, rotating chimney cover cap, chimney cap is made of 304 stainless steel, waterproof and heat-resistant. Our sturdy design also eliminates the need to worry about frame deformation. Therefore, it can be used outdoors for many years no matter how bad the weather is.
• Universal application: As a reliable protector, our fireplace chimney caps are expertly designed to protect your outdoor masonry chimney from damage and extend its lifespan. Even when not heating, the fireplace provides year-round ventilation and protects the end of the chimney from rain and moisture. Suitable for all seasons.
• Protect your fireplace and chimney: The fireplace top can withstand weather changes, ensure stable ventilation under headwinds, prevent exhaust gas backflow, increase exhaust gas efficiency and improve combustion. It also protects your chimney flue from creatures, birds, rain, snow, leaves, debris, and more.
• Keep your room well ventilated: Chimney swivel hoods, swivel chimney hoods, and swivel turbines can also be installed on roofs, sunrooms, and other areas with poor air circulation. Equipped with a ball bearing base, it requires only a small amount of wind to allow it to rotate automatically and silently. No power supply is required, keeping the indoor air fresh and keeping indoor ventilation all-weather.
• Easy to Install: Supplied fully assembled and ready for installation. One person can easily complete the installation, saving time and effort. Create a sense of security for your friends, family and yourself. Roof ventilators are very effective at preventing downdrafts and increasing ventilation; equipped with clamps to secure to smaller diameter ducts.