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SpaShopper
50 sq ft Spa Filter Cartridge Pair - 4-15/16" x 6-5/8", 2-1/8" Open Ends, 3oz Media
MSRP: $78.99$68.99 -
SpaShopper
100sqft Spa Filter Cartridge 17-3/4" x 5-5/16" | 2-1/8" Open Ends | Four Winds Compatible
MSRP: $108.99$93.99 -
SpaShopper
75 Sq Ft Spa Filter Cartridge for Caldera Hot Tubs - 7" x 14-3/4" with 2-11/16" Opening
MSRP: $94.99$79.99 -
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Horizon Series by Filbur
Filter, Cartridge, 25sqft, 2-3/8"ot, 2-3/8"ob, 5", 13-5/16" 4oz
MSRP: $45.26$34.99 -
Horizon Series by Filbur
Filter, Cartridge, 35sqft, ht, 2"mpt b, 7", 7-9/16" 3oz
MSRP: $57.57$44.99 -
Horizon Series by Filbur
25 sq ft Spa Filter Cartridge | 2-1/16" Open Ends | 4-5/8" x 11-7/8" | 3oz Media
MSRP: $33.95$29.95 -
Horizon Series by Filbur
Filter, Cartridge, 19sqft, ht, 1.5" mpt b , 4-5/8", 8" 3oz
MSRP: $44.37$34.99 -
Horizon Series by Filbur
Filter, Cartridge, 60sqft, rem cap ot, 2"SAE b, 6-5/8", 15-1/2" 3oz
MSRP: $89.89$69.99 -
SpaShopper
Watkins 73532 Replacement Filter - 50sqft Cartridge for Caldera Spas, 7" x 10-3/4", Open Bottom 2-11/16"
MSRP: $84.99$74.99 -
Horizon Series by Filbur
Filter, Cartridge, 25sqft, ht, 1-1/2"mpt b, 5", 8-1/2" 4oz
MSRP: $37.63$29.99 -
Horizon Series by Filbur
Filter, Cartridge, 50sqft,2-1/8"ot,2-1/8"ob,4-15/16",13-5/16" 3oz MB
MSRP: $70.23$54.99
Other Filter Cartridges
Maintain crystal-clear water in your spa with Other Filter Cartridges from SpaShopper. We offer filter cartridges, housings, and filtration accessories compatible with a wide range of hot tub models. Regular filter replacement is essential for water quality and equipment longevity. Compatible with Balboa, Gecko, Waterway, Pentair, and more top brands. Orders over $75 ship free.