Diameter: 4 3/4" Length: 9 7/8" Top: Handle Bottom: 1 1/2" MPT threaded Filter Media: REEMAY: 3 oz/yard Filter Area: 25 sq. feet Manufacturer: Pleatco Alternate Names : PTL 20HS W/ PAD; PTL20HS W/ PAD AD; PTL 20HS; PGS25 W/ PAD; 20254-238; PTL20HS W/ PAD AD; PTL20HS-P4; 17-175-1265; PAQ25N; PAQ25-N; FC-0194; APC 12519; 212321 Fits pools / spas made by : Advanced Spa Design, American Dream, Blue Ridge Spas, CTA, Cta Spas, DreamMaker Spas, Ft Wayne Spas, Gatsby, Heartland Spas, Hydro Spa, Icon Spas, Imperial Spas, Keyes, La Spas, Mountain Meadows Spa, Mountain Mist Spa, Mountain Springs Spa, Mountain Stream Spa, Nemco, Saratoga Spas, Softub, Weslo, White Springs Spas and Other Manufacturers