... Hole Size Noise Air vent SRL20A 300X300MM 250X250MM ≤50db direct exhaust SRL25A 350X350MM 295X295MM ≤50db direct exhaust SRL30A 400X400MM 340X340MM ≤55db direct exhaust ... weight Gross weight Package SRL20A 61X31.5X65cm 14.4kg 19kg 8pcs SRL25A 67X36X72.5cm 16.5kg 21kg 8pcs SRL30A 89.5X42X43cm 14.2kg ... requirement Kitchen Exhaust Fan / Power Saving Wall Mounted Exhaust Fan (SRL20A/SRL25A/SRL30A)
[China Manufacturers]