Chimney Cowl Cap Stainless Steel Roof Ventilator Turbine Weatherproof Strong and Durability Rotating Roof Vents Prevents rain from Entering The Flue (100mm/3.9in)

Product Name: Roof Vents stuff: 304 stainless steel Installation method: clamp installation/punch installation Warm Tips.Please pay attention when unpacking and installing. It is recommended to wear to avoid scratching.Manual measurement size slight error, please prevail in kind, thank you for understanding.

• Keeps the room well ventilated: The rotary turbine can also be installed on roofs, sunrooms and other areas with poor air circulation. Equipped with a durability ball bearing base, only a small amount of wind is needed to make it rotate automatically, and it is silent when rotating. No power supply is required to keep fresh air in the room and keep the room ventilated around the clock.
• durability stainless steel: choose the size according to the outside of your chimney. Our chimney caps are made of 304 stainless steel, which is water and heat resistant. There's also no need to worry about frame deformation with our sturdy design. So it can be used outdoors for years to come, no matter how harsh the weather.
• 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 to secure to smaller ducts.
• Protects your fireplace and chimney: The top of your fireplace can withstand weather changes, ensure steady ventilation in adverse winds, prevent exhaust backflow, promote exhaust effectiveness and improve combustion. It also keeps your chimney flue from critters, birds, rain, snow, leaves, debris, etc.
• Application : As a 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. It has a preventive effect on the tail end of the chimney, keeping the interior of the fireplace dry and protected from rain and moisture. Suitable for all seasons.