Rotating Chimney Cowl Roof Vents 304 Stainless Steel No Assembly Required Rainproof Fireplace Chimney Caps for Fireplace Kitchen Bathroom Garage Promotes air Circulation (110mm/4.3in)

Rotating chimney flue roof rain cover cap rotator anti-under-suction bird shieldA reliable protector, our fireplace chimney caps are professionally designed to protect your outdoor masonry chimney from damage and extend its life. Even when not heated, the fireplace can be vented year-round and has a preventive effect on the tail end of the chimney to prevent rain and moisture. Suitable for all seasons.Working principle:Using the natural wind and the air thermal convection caused by the difference between indoor and outdoor temperatures, it pushes the turbine to rotate, and uses centrifugal force and negative pressure effect to continuously discharge the unfresh indoor air.Rooftop ventilator features :No assembly required.Energy saving.Improves the air inside the fireplace.Maintains indoor ventilation.Improves exhaust value.Prevents sparks from flying.Protects the chimney from rain, snow and other external influences.Resists high temperatures up to 450°C.Product Name: Roof VentsMaterial: 304 stainless steelInstallation: Clamp installation, perforated installation

• Protects fireplaces and chimneys: The top of the fireplace resists weather changes, ensures steady ventilation in unfavorable winds, prevents exhaust backflow, promotes exhaust effectiveness and improves combustion. It also keeps your chimney flue free from critters, birds, rain, snow, leaves, debris, etc.
• Maintain good indoor ventilation: The wind-powered extractor fan works even when the wind is low. It improves ventilation in dry toilets, storage rooms, bathrooms and other areas where ventilation is needed. Equipped with a durable ball bearing base, it is silent when rotating. No power supply is required to keep the room ventilated 24/7.
• Quality Service: We provide you with quality products and services, and we are happy to help you with any problems you may encounter, you don't need to worry. 100% customer satisfaction is the goal we strive for. If you encounter any problems, please send us an email.
• Easy to install: Supplied fully assembled and ready for installation. One person easily completes the installation, saving time and effort. Create a sense of security for your friends, family and yourself. Rooftop ventilators are very effective in preventing downdraft and increasing ventilation; equipped with clamps that can be fixed to smaller diameter ducts.
• Durable stainless steel: choose the size according to the outside diameter of your chimney. Our chimney caps are made of 304 stainless steel, which is water, heat and rust resistant. There's also no need to worry about frame warping with our sturdy design. So it can be used outdoors for years to come, no matter how harsh the weather.