Chimney Spinner Cowl Fireplace Chimney Caps 304 Stainless Steel Waterproof Windproof Improves Indoor air Easy to Install Roof Turbine Ventilator Rotating Cap Ventilation (110mm/4.3in)

Caps that rotate with the wind. The stronger the wind blows, the faster the wings rotate, and the stronger the air is pulled from the inside out.It prevents strong wind penetration into ducts, chimneys, stoves, etc., thus avoiding the undesirable effect of a house filled with smoke.Even without heating, the fireplace can be ventilated all year round, keeping the interior of the fireplace dry and protected from rain and humidity.Features of fireplace cap ?No assembly required, easy to install.Does not require electricity and saves energy.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: Chimney Cowl CapsMaterial: 304 stainless steelInstallation method: clamp installation, perforated installationAttention required.Please pay attention when unpacking and installing. It is recommended to wear gloves to avoid scratching.Manual measurement size slight error, please prevail in kind, thank you for understanding.

• Protects fireplaces and chimneys: Caps installed on top of fireplaces can withstand weather changes, ensure stable ventilation in unfavorable winds, prevent exhaust backflow, promote exhaust effect and improve combustion. It also keeps your chimney flue free from critters, birds, rain, snow, leaves, debris, etc.
• Maintain good indoor ventilation: The rotary turbine can be installed on roofs, sunrooms, and other areas where air does not circulate. Equipped with a durable 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.
• 304 Stainless Steel: Choose the size according to the outside diameter of your chimney. Our chimney caps are made of high quality 304 stainless steel, which is waterproof, rustproof and heat resistant. With its sturdy design, there's no need to worry about frame deformation. So no matter how bad the weather, it will last for years to come outdoors, saving you replacement costs.
• Easy to install: Supplied fully assembled and ready for installation. Easy installation by one person, 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 diameter ducts.