VEVOR Laminar Flow Hood, 20.08 x 20.47 x 23.62 inch Working Area Portable Clean Room, Meets ISO Class 5 Clean Room Standards, with HEPA-14 Filter and G1 Pre-Filter, for Medical and Laboratory UseClean WorkspaceEfficient PurificationEasy to Control & OperateEasy to UseVersatile ApplicationsEasy CleaningWorking Area Dimensions (L x W x H): 20.08 x 20.47 x 23.62 in/510 x 520 x 600 mm,Installation Type: Desktop (No installation required),Net Weight (Single Unit): 94.36 lbs/42.8 kg,Voltage & Power: AC 110-120V 60Hz, 130W,Pre-Filter: G1 Grade,Product Dimensions: 23.62 x 21.65 x 35.43 in/600 x 550 x 900 mm,Main Filter Type: HEPA-14,Air Direction: Vertical airflow,Pre-Filter Dimensions: 14.06 x 8.74 x 0.83 in/357 x 222 x 21 mm,Fan: 6W,Air Speed: Stepless adjustable, up to 0.45 m/s,Main Filter Efficiency: 0.3 μm, 99.997%,Clean Class: Fed Class: 100/ISO Class: ISO 5 (US Federal 209E),Item Model Number: CB.V.Q10.D12.Y.00054 (ERP NO.),Main Filter Dimensions (H x W x D): 18.39 x 11.89 x 2.95 in/467 x 302 x 75 mm