Intex Intex PureSpa Plus Greystone Hot Tub, 94 x 28inch, with S1 Filter Cartridge (12 Pack) in the Hot Tubs & Spas department at Lowes.com
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Type S1 Compatible For Intex Purespa,Hot Tub Filter Cartridge Swimming Pool Spa Filter Replacement For Intex 29001e - Buy 4.2 X 2.9 Inches Type S1swimming Pool Filters,Compatible For All Intex Purespa Models
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Amazon.com : Intex Type S1 Filter Cartridge for PureSpa, Twin Pack : Patio, Lawn & Garden
Amazon.com : Intex Type S1 Filter Cartridge for PureSpa, Twin Pack : Patio, Lawn & Garden