SOLBERG AIR FILTER ELEMENT REPLACEMENT INTAKE FILTERS MODEL NUMBER MEDIA RATED FLOW SURFACE AREA INSIDE DIAMETER OUTSIDE DIAMETER HEIGHT 19P POLYESTER 100 CFM 1.5 SQ. FT. 3 IN 4 3/8 IN 2 5/16 IN 31P POLYESTER 195 CFM 2.3 SQ. FT. 3 5/8 IN 5 3/4 IN 4 3/4 IN 231P POLYESTER 300 CFM 4.5 SQ. FT. 3 5/8 IN 5 3/4 IN 9 1/2 IN 235P POLYESTER 570 CFM 8.3 SQ. FT. 4 3/4 IN 7 7/8 IN 9 5/8 IN 245P POLYESTER 880 CFM 14 SQ. FT. 6 IN 9 3/4 IN 9 5/8 IN 275P POLYESTER 1100 CFM 19 SQ. FT. 8 IN 11 3/4 IN 9 5/8 IN FEATURES Temp (continuous): min -26° F ( -15° C) max 220° F (104° C) Filter change out differential: 15-20 in. H2O above initial delta P Less maintenance due to longer durability than paper media Moisture resistant Handles hot air and oil mist from unload cycle of reciprocating/piston compressor Washable - lukewarm water & mild detergent Dust loading capacity is increased 40 % - 50% with polyurethane prefilter Optimal sealing surface & design 99%+ removal efficiency standard to 5 micron