SINGLE PACK FILTER MADE IN THE USA NEW IN FACTORY PACKAGING POPLUAR BRAND REPLACEMENTS: Pleatco: PCD75N Unicel: C-7375 Filbur: FC-3964 DIMENSIONS: Diameter: 7" Length: 14 7/8" Top: Handle Bottom: Open Hole: 2 11/16" Filter Area: 75 sq ft Filter Material: REEMAY (3 oz/yard) Alternate Filter Names: 1019301 | 73531 | AK-60032 | APCC7500 | 17543 | PCD75-N Used In Pools / Spas Made By: Caldera Spas | Hot Spot Spas | Watkins Mfg. and other manufacturers