A1R70-40AB DISCONTINUED / REPLACEMENT C-170X40 ART.-NR. 155387-03 ART.-NR. 155389-03 ART.-NR. 155391-03 BIGBLUE 10”, 25MICRON; BIGBLUE 10”, 5MICRON; C1 CARBON-IMPREGNATED CELLULOSE FILTER CARTRIDGE, 5 MICRON(NOMINAL) TEMP. RANGE:40-125F(4 C1 CARBON-IMPREGNATED CELLULOSE FILTER CARTRIDGE, 5 MICRON(NOMINAL) TEMP. RANGE:40-125F(4 C-170X40 DGD-5005 155358-43 DU-155030-43 GS-10 CAL/RO B ¼”FPT 2”X 10” "R50 PLEATED FILTER CARTRIDGE (9-3/4"" X 2-5/8, 50 MICRON"; 155053-43 155002-43 155597-43