Clean Air System Downdraft Bench Floor Mount Number of Speeds 1 Air Flow (CFM) 400 MERV 14 Filter Efficiency ( Percent) 95 Sound Level dBA 70 Voltage 120 60 Hz 1 Phase 2.91 Amps AC 330 W Watts Height (In.) 36 in Width (In.) 20 in Depth (In.) 20 in Polyurethane Powder Coated Finish Black Includes Back and Side Shields Downdraft Cover Three-Stage Filter Cord Length (Ft.) 8 Overall Dimensions - H x W x D 36 in x 20 in x 20 in Back and Side Shields Three-Stage Filter