4/6/7/8/10/12 In with support ventilator All metal exhaust fan Ventilation fan

[Features]:1.The front protective net can effectively prevent mosquitoes and scratches, making it more convenient and safe to use.2.It can be connected to the smoke pipe and connected to the underground ventilation duct or sewer pipe without affecting the surrounding environment. It is safer and more environmentally friendly and suitable for a variety of environments.3.Bearing ball motor, double ball bearings, more stable.4.Up to 3000m³/h super wind force.5.Streamlined design, metal 7 blades, more stable and quiet air suction.【New upgrade, strong suction, efficient and fast, easily solve the oil smoke problem】-- Strong wind / easy installation / wide-angle suction / copper core motor / light sound design / metal body --[Scope of application]:Kitchens, living rooms, bathrooms, bathrooms, offices, households, storage rooms, garages, basements, computer rooms, workshops, factories, chess and card rooms, libraries, internet cafes, coffee shops, health centers, hospital clinics, basements, gyms, large warehouses and other places. [Product Specifications]:- Size range: 4 inches to 12 inches. You can choose the appropriate size based on your environmental conditions.- Name: Stainless Steel Exhaust Fan- Dimensions: 4 inches / 6 inches / 7 inches / 8 inches / 10 inches / 12 inches- Material: Iron casing, stainless steel blades- Rated Frequency: 50Hz- Rated Voltage: 220V- Rated Speed: 2800R/min- Rated Power: 20W / 40W / 50W / 60W / 70W / 120W- Air Volume: 140 / 600 / 800 / 1050 / 1750 / 2700 m³/h- Weight: Approximately 1 Kg / 1.5 Kg / 2 Kg / 2.5 Kg / 3 Kg / 3.5 Kg- Specific Dimensions:4 inches: Length 72mm * Diameter 100mm6 inches: Length 150mm * Diameter 150mm7 inches: Length 140mm * Diameter 180mm8 inches: Length 150mm * Diameter 200mm10 inches: Length 155mm * Diameter 250mm12 inches: Length 170mm * Diameter 300mm- Recommended Installation Dimensions:4 inches: Approximately 100mm6 inches: Approximately 150-160mm7 inches: Approximately 180-190mm8 inches: Approximately 200-210mm10 inches: Approximately 250-260mm12 inches: Approximately 300-310mm