Filters, Replacement Cartridges
Replace dirty or worn hot tub filter cartridges to maintain clean, healthy spa water. Regular filter replacement is essential for water clarity and protecting your spa equipment. Our filter cartridges match OEM specifications for proper fit and filtration performance. We offer competitive international shipping rates to buyers worldwide.
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25sqft Spa Filter Cartridge 13-5/16" x 4-15/16" (2) 2 1/8" Openings FC-2375 PRB-25-IN C-4326
Hot Tub Parts or America
MSRP: $48.99$37.99A universal 25 Square Foot replacement filter cartridge designed to fit approximately 70% of hot tubs and spas on the market. This cartridge measures 13-5/16" in length with a 4-15/16" outside...MSRP: $48.99$37.99 -
40 sq ft Spa Filter Cartridge 6" x 8 1/4" with 1-1/2" SAE Thread - Front Load Housing Compatible
HTPOFAmerica
MSRP: $55.83$44.99Premium 40 square foot replacement filter cartridge designed for front-loading spa filter housings. Measures 8 1/4" in length with a 6" outside diameter. Features a 1 1/2" SAE threaded fitting at the...MSRP: $55.83$44.99 -
50sqft Spa Filter Cartridge 13-5/16"x4-15/16" 2-1/8" Openings FC-2390 C-4950 PRB50-IN Universal Fit
HTPOFAmerica
MSRP: $53.40$41.99Universal 50 square foot replacement filter cartridge designed to fit approximately 70% of hot tubs and spas on the market. Measures 13-5/16" in length with a 4-15/16" outside diameter. Features...MSRP: $53.40$41.99 -
Microban Filter Cartridge for Somerset Teleweir Eco Pur - 6 5/8" x 5" - Down East, Clarity Spa Compatible
HTPOFAmerica
MSRP: $59.99$49.99Premium Microban-equipped replacement filter designed for Somerset Teleweir Eco Pur filtration systems. Precisely engineered at 6 5/8" in height and 5" in diameter, featuring 1 1/2" SAE Female...MSRP: $59.99$49.99 -
Dream Maker Spa Filter Cartridge 27 sqft Oval 9-3/4" x 6-1/4" 3" Round & 4 1/8" Oval Opening
HTPOFAmerica
MSRP: $49.99$44.99Designed exclusively for Dream Maker Hot Tub models, this 27 Square Foot Oval Filter Cartridge measures 9-3/4" in Length by 6-1/4" Outside Diameter at the Widest Point of the Oval. The top features...MSRP: $49.99$44.99 -
100sqft Spa Filter Cartridge for Coast Spas - 21-5/16" x 5-5/16" - 2-1/8" Open Holes Top/Bottom
HTPOFAmerica
MSRP: $112.99$81.99Premium 100 square foot replacement filter cartridge engineered specifically for Coast Hot Tubs. This high-capacity filtration element measures 21-5/16 inches in height by 5-5/16 inches in diameter,...MSRP: $112.99$81.99 -
70sqft Cartridge Filter for Master Spa 1998-2000 | 8" x 9 1/4" with 2"MPT Threading
HTPOFAmerica
MSRP: $117.99$98.99Global offers this replacement cartridge filter designed for pre-2002 Master Spa models from 1998, 1999, and 2000 with 70 square feet of filtration area. This genuine replacement measures 8 inches in...MSRP: $117.99$98.99 -
95 sq ft Spa Filter Cartridge - 23-5/8" Length, 4-15/16" Diameter, 2-1/8" Openings Top & Bottom
HTPOFAmerica
MSRP: $79.99$71.99Global offers this high-performance 95 square foot filter cartridge designed for optimal spa and hot tub filtration. This replacement filter measures 23-5/8 inches in length with a 4-15/16 inch...MSRP: $79.99$71.99 -
Genuine Sundance 2 Inch Suction Plumbing Kit | Complete Wall Fitting Assembly with Street Elbow & Compression Nut
MSRP: $59.99$42.99This authentic Sundance 2 inch suction plumbing assembly provides a complete replacement solution for American-manufactured Sundance hot tub owners. The comprehensive package contains one 2 inch...MSRP: $59.99$42.99 -
50 sq ft Spa Filter Cartridge 4-5/8" x 14-3/4" | 1-1/2" MPT | Handle Top | PROLine Compatible
HTPOFAmerica
MSRP: $62.99$43.87Premium replacement filter cartridge engineered for superior hot tub water filtration with 50 square feet of cleaning surface area. Measures 4 5/8 inches in outside diameter and 14 3/4 inches in...MSRP: $62.99$43.87 -
50 Sq Ft Spa Filter 10 3/4" x 7" 2" Male Slip | Caldera Watkins Compatible
Horizon Series by Filbur
MSRP: $69.99$62.99Premium 50 Square Foot Replacement Filter Cartridge for Caldera Hot Tubs by WatkinsThis high-performance filter cartridge delivers reliable filtration for select Caldera spa models manufactured by...MSRP: $69.99$62.99 -
Filter, Cartridge, 50sqft, ht, 1-1/2"mpt b, 4-5/8", 14-3/4" 3oz
Horizon Series by Filbur
MSRP: $60.31$46.99MSRP: $60.31$46.99