17-777-1315 - Darlly Filter Cartridge, 50sqft, 3 Inchot, 3 Inchob, 7 Inchdia, 19-5/8 InchL, 4oz - 70508 - Replaces C-7450 , C-7650 , C-7651 , C-7656 , CX500-RE , FC-0620 , FC-0625 , FC-1240 , FC-2140 , FC-3416 , PA50-4 , PC-1240 , PCM50 , PCM50-4 - 70508 - 17-777-1315