Vents, Fan, Dryer Vent Hood, Exhaust Hood Vent, 304 Thick Stainless Steel Air Ventilation Kit, for and Exhaust(7.

✿Product material: dome fan made of 304 stainless steel, the finished product is sturdy and not deformed, the bearings rotate flexibly and smoothly, the bracket is fixed firmly, it is durable, no power consumption, ventilation pipe chimney, exhaust without noise. Suitable for ceiling fireplace openings, fireplace vents, pipe protectors, can be used in villas, apartments, hotels, warehouses, underground garages, dining rooms, etc. ✿ QUIET AND RAINPROOF - Encrypted blades of the curved aerodynamic profile ensure rainwater does not enter the working conditions. High exhaust efficiency and light operation. Protects the fireplace from rain and moisture. ✿Working Principle: Using natural wind and thermal convection of air caused by the temperature difference between indoor and outdoor, make the turbine rotate and draw out dirty indoor air. ✿Ventilation connection size: 4.3 inches (110 mm), 6.3 inches (160 mm), 7.9 inches (200 mm), 9.8 inches (250 mm), 11.8 inches (300 mm), 15.7 inches (400 mm). The latest ceiling fan on the market, easy to install and stylish to the eye