Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
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Puri Tech Spa Filter Cartridge Replacement, 2 Pack, Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920

$41.00 Price reduced from $46.99 to
Product No. PT-FC-3921
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  • Drop-in replacement spa filters install without tools and rinse clean easily with a garden hose; routine cleaning every two weeks supports peak performance. Compatible with Watkins Hot Spring Spas 33, 31250, PWK35, C-6433, FC-3920
  • Puri Tech 6 x 1 15/16 x 9 spa filter cartridges deliver consistently clean, refreshing water, helping you enjoy comfortable, worry-free hot tub and spa sessions at home.
  • Made with high-performance trilobal polyester fiber for higher dirt capacity than standard fabrics, improving filtration efficiency for pools and hot tub spas. Made in USA
  • Reinforced inner core and corrosion-resistant end caps support long service life, dependable performance, and reliable water flow in demanding spa environments.
  • Advanced open-flow design captures and releases debris efficiently, supporting balanced circulation and visibly cleaner spa or pool water.
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