Pleatco: PPM35SC-F2M | Unicel: 5CH-352RA | Filbur: FC-0196-M Diameter: 5 1/4" Length: 12 3/16" Top: Handle Bottom: 2" MPT Threaded Filter Area: 35 sq ft Filter Material: Pleatco Advanced (3 oz/yard) Alternate Filter Names: 20042, 370-0242, 370-0243, 5CH-502, FC-0195 Used in pools / spas made by: Everyday Hot Tubs | Hide Away Hot Tubs | Marquis | Pacific Marquis and other manufacturers