Measurements: Length: 16 - 1/2" (16 1/2") Outside Diameter: 7" Top Opening: 3" Bottom Opening: 3" Media Weight - 3 oz. SQ FT Media - 88' Popular brand part numbers: Unicel - C-7474 (C7474) Filbur - FC-0690 (FC0690) Pleatco - PCM88-4 (PCM884) Also replaces the following filters: 56627800 R173218 American Quantum 87.5 American Quantum Stainless Steel Quantum RPM Quantum CM PCM88 PCM 88 Manufacturer of this cartridge: Guardian Filtration Products (USA) Part number 716-225 Single Feel Free to call 724.704.0002 pricing on: Large quantity discount Other cartridge sizes