Feature(may vary by option.)

●WORKING PRINCIPLE: Utilizing natural wind and thermal convection of air caused by the temperature difference between indoor and outdoor, it drives the turbine to rotate and expel the dirty indoor air.
●DURABLE STAINLESS STEEL: Choose your size based on your chimneys outer diameter, our chimney caps are made of 304 stainless steel, waterproof and heat resistant. Our sturdy design also eliminates the need to worry about frame warping. As a result, it can be used outdoors for years, no matter how harsh the weather.
●KEEP YOUR INDOORS WELL VENTILATED: The rotary turbine can also be installed on rooftops, sunrooms, and other areas with poor air circulation. Equipped with a durable ball-bearing base, it requires only a small amount of wind to make it spin automatically and silently. Keeps indoor air fresh and ventilated 24/7 without the need for electricity.
●SIMPLE INSTALLATION: All hoods are shipped in one piece, no assembly required, with mounting fittings for easy installation, 110--200 mm vents can be mounted with hanging rings to prevent gaps; 300---400 mm vents can be fixed with fixing feet.
●Wide range of applications: farms, machinery factories, roof chimneys, industrial plants, production workshops, kitchens, canteens, farming, workshop ventilation, tiled houses, flue exhausts Ventilation, tiling, flue exhaust and other areas.

[4.3inch(110mm) Silver]





Description

External Extractor Wall Dryer Vent Cap, 304 Thick Stainless Steel Air Vent, for Kitchen Bedroom Bathroom Office etc

Product Name: Roof Ventilator
Material: 304 Thick Stainless Steel
Product Color: Silver
Product Specifications:110mm---400mm
Product features: no energy power, high speed, high precision, high density, rain and smoke backflow prevention
Product Principle: The use of natural wind and indoor temperature difference caused by air thermal convection to promote the turbine rotation and thus the use of centrifugal force and negative pressure effect will be indoor not fresh air out.