
Ball Bearing Metal Frame 8/10/12/14/16/18/20/Inch Square Industrial Exhaust Fan. Durable Construction: Metal frame with stainless steel blades and ball bearing motor for stable, long service life. Customizable Options: Sizes available from 8 to 20 inches with customizable voltage options of 220V/380V. Certified Quality: Products hold CE, RoHS, and CCC certifications ensuring high standard quality and safety. OEM Service Available: We provide OEM services including logo printing and packaging design for qualified orders. Factory Direct Pricing: Direct factory sales ensure competitive pricing based on cost, not trading margins. Easy Installation: Simple wall mounting design allows for straightforward installation and low maintenance. Fast Delivery: Standard delivery time is 15-20 days after receiving deposit, depending on order quantity.