��?Highly washable type ��?Low initial pressure drop ��?High dust holding capacity ��?Excellent performance Applications ��?general air filtration and pre-filtration Type ��?pleated synthetic panels Frame ��?galvanised steel/Aluminum Grids/Scaffold ��?galvanised steel /galvanised steel wire Gasket ��?none EN 779 class ��?G4 Average arrestance ��?94% (ASHRAE 52.1.1992 ) EUROVENT 4/5 class ��?EU4 Final pressure drop ��?250 Pa Max. operating temperature ��?90��? Max. relative humidity ��?100% RH Installation ��?holding frames type CT 10 / 20 / 30 Type Dimension Filtering surface (m2) Rated air flow (m3/h) Initial pressure drop(Pa) Height (mm) Width (mm) Depth (mm) FHK40 287 592 45 0.34 1400 ��?0 FHK40 395 495 45 0.40 1650 ��?0 FHK40 495 495 45 0.50 2100 ��?0 FHK40 592 592 45 0.70 3000 ��?0 FHK40 287 592 90/96 0.50 2000 ��?0 FHK40 395 495 90/96 0.60 2300 ��?0 FHK40 495 495 90/96 0.75 2900 ��?0 FHK40 592 592 90/96 1.05 4200 ��?0 OTHER SIZES: ON REQUEST OTHER MATERAILS: ON REQUEST