... of 4kW centrifugal fan driven by belt, air capacity: 25000M³/H, Air speed:0.25~0.35M ... fan1SET of 11kW centrifugal fan driven by belt, air capacity:23000M³/H, Air speed: 0.25~0.35M ... Heat-resistant stainless steel heat exchanger, three cycling for heating, Maximum working temperature: 60~80°CFilter systemCeiling ... with 6 SETS 0.55KW centrifugal motors; air capacity for each nozzle: 580M³/H Spray booth