Stainless Steel Exhaust Cap Roof Flue Vent 8 Inch 10 Inch 12 Inch Air Vent Outlet, Internally Braced Wind Turbines, High-Speed Bearings, Rainproof, 360° Rotation Without Power Roof Ventilato

Swivel roof vent, universals chimney hood, high temperature resistance, no power loss, suitable for kitchen, canteen ventilation, stainless steel chimney flue hoodName: No power hood (fume hood)Material: 304 stainless steel (galvanized inside)Function: ventilation, exhaust, ventilation, heat dissipationFeatures:1 weather-resistant curved blade2. Zero energy consumption cover, environmentally friendly and durable3. High speed, low noise, prevents the pipe from being clogged by nests and debrissize:110 mm (4.3 inches)150 mm (5.9 inches)200 mm (7.9 in)250mm (9.8")300mm (11.8")350mm (13.8")400mm (15.7 inches)Installation: The cooker hood comes with two installation accessories, a clip and a 90 fixed foot. The small size can be installed with clips to preventS gaps, and the large size can be fixed with 90 fixed feet.Package:Vent cap x 1 (110-250mm: 1 clamp, 300mm: 3 fixing feet, 350-400mm: 4 fixing feet)

• Rotating chimney hood: Made of 304 thick stainless steel, thickened and wear-resistant, it will not deform even if it bears a weight of 100 kg, galvanized rollers can rotate flexibly, strong and strong in compression
• Zero energy consumption: use natural wind to makes it rotate, and create a vacuum/vortex in the channel where it is installed, draw smoke and dirty air from the inside, and have a long service life
• Smooth Surface: Curved blade baffles are neat and orderly, the edge lines are smooth and rounded, polished surface design, maintenance-free, can be used for a long time
• Ventilation and Exhaust: As a deflector for the flue gas, it prevents the flue gas from flowing back into the room from the ventilation pipe, discharges the dirty air, smoke and dry heat in the room, and keeps the chimney from rain and moistures
• Use scenarios: suitable for farms, mechanical workshops, farmhouses, restaurants, residences, roof chimneys, improving indoor air environment and accelerating circulation