10inch Wall Type Light Duty Industrial kitchen ventilation fan

RED FAN BLADE Specifications: 10" industrial exhaust fan Panel size (L*W*H): 290*145*290mm Hole distance: 240mm Inner diameter: 263mm Power: 38W Air volume: 17 M³ /min Speed: 1224 r/min Noise: ≥ 55 dB(A) Product weight: 1. 44kg Specifications: 12" industrial exhaust fan Panel size (L*W*H): 350*145*350mm Hole distance: 300mm Inner diameter: 315mm Power: 45W Air volume: 20 M³ /min Speed: 1240 r/min Noise: ≥ 58 dB(A) Product weight: 1. 74kg