
Wholesale Arc-Shaped Design Explosion Proof Top Air Supply Invisible Door Curtain Unit Temperature Isolation Centtrifugal Fan Type Air Curtain. Explosion Proof Design: Arc-shaped design ensures safety and effective temperature isolation. Pure Copper Motor: 100% pure copper motor ensures high efficiency and durability. Wide Voltage Range: Supports 110V/220V operating voltage for global compatibility. High Air Speed: Delivers high air speed up to 19m/s for effective air supply. Multiple Power Options: Available in 300W, 350W, 400W, 500W, and 600W input power. Comprehensive Warranty: 1 year for whole unit and 3 years for motor coverage. Flexible Control: Equipped with manual button or IR remote controller. Global Certifications: Certified with ISO, CE, CCC, and RoHS standards.