Type: WhisperFlow cleanroom New Surplus Overstock • Material: Powder-Coated Steel • Filter Replacement Access: Top Side • Size: 2'x4' • Filter Frame Material: Aluminum • Filter: HEPA • Motor Type: Permanent Split capacitor (PSC) • Motor HP: 1/4 hp • Airflow: Positive Pressure • Speed Control: 3-Speed Switch • Blower Type: Forward Curved • Active Filter Face Area: 7.1 ft² • Pre-Filter: MERV 7 • Unit of Measure: EA • Marks & Listings: UL, ULC • Electrical Specifications: 120 V, 3.8 A, 1 Ph, 60 Hz • Weight, Product: 71 lb • Dimensions, Product: 23.63"W x 47.63"D x 12.51"H