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Filter Cartridge Diameter: 8-7/16", Length: 18", Top: Closed, Bottom: 2-1/2" Open, 125 sq ft by ProLine | Spa Parts + by Allied
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Filter Cartridge Diameter: 8", Length: 6", Top: Handle, Bottom: 2" Male SAE Thread, 50 sq ft by ProLine | Spa Parts + by Allied
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Tier1 25 sq ft. Spa Filter Cartridge Replacement for 42-2891-08-R, 2590000,5475000 (2-Pack) TIER1_PAS_1299_2_PACK - The Home Depot
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Spa Filter Element Unicel 6ch-940 Pleatco Pww50 205mmx150mm,with38mm Hole Hot Tub Filter Cartridge System Element - Spa Tubs - AliExpress
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Amazon.com : Unicel C-8465 65 Square Foot Hot Tub and Spa Replacement Pool Filter Cartridge for Caldera 76136, Hot Springs 31114, 71827, 71828, Tiger River 31114 : Filter For Tiger River Spas : Patio, Lawn & Garden
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