Filter Replaces:: Pleatco: PCS50N | Unicel: C-8450 | Filbur: FC-3310 • Diameter: 8" • Length: 9" • Top: Open Hole: 2 1/8" • Bottom: 2" Slip • Filter Area: 50 sq ft • Filter Material: ReeMay (3 oz/yard) Alternate Filter Names: 100593 | 3301-2261 | 17-175-1206 | APCC7161 | 15014 | PCS 50N | PCS50-N Used in pools / spas made by: California Cooperage | Coleman Spas | Maax Spas (Canada) | Maax Spas of AZ and other manufacturers