FLAT FILTERING CELLS FP SERIES OVERVIEW - TECHNICAL CHARACTERISTICS MEDIUM EFFICENCY FILTERS OVERVIEW : The flat filtering cell FP series is used for primary filtration in HVAC plant when pre-filtration of rough and fine dusts is required. Furthermore FP filters are suitable for application on filter-holder extract grilles. FILTER MEDIA : made of polyester fiber. FRAME : made of galvanized steel and protective mesh screen on both sides. OPERATIVE TEMPERATURE : - 30 + 100 ° C. HEIGHT FILTERING ELEMENT: 22 - 48 mm.. Filter classification - Average arrestange CODE EXAMPLE Flat filter cell sizes 592x592, filtering class EU3 and filtering element thickness 22 mm: FP = FLAT FILTER CELL 22 = FILTER THICKNESS 592 x 592 = FRAME SIZES