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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
50 sq ft Spa Filter Cartridge - 13-1/2" x 4-15/16" - 2" Female SAE Thread - Four Winds, Barefoot Compatible
HTPOFAmerica
MSRP: $84.99$64.99Replacement cartridge filter measuring 13-1/2" in length by 4-15/16" in diameter, featuring a 2" female SAE large thick thread connection (actual inner diameter measures approximately 2-1/4" to...MSRP: $84.99$64.99 -
Filter, Cartridge, 65sqft, 3"ot, 3"ob, 8-1/2", 10-1/2" 3oz
Horizon Series by Filbur
MSRP: $96.03$74.99MSRP: $96.03$74.99 -
50sqft Spa Filter Cartridge for Dynasty & Garden Leisure - 5-5/16" x 10-1/8" with 2-1/8" Openings
HTPOFAmerica
MSRP: $47.46$36.99Premium replacement filter cartridge designed for Dynasty Spas, Garden Leisure, and multiple spa brands. This 50 square foot filtration cartridge measures 5-5/16" in diameter by 10-1/8" in length,...MSRP: $47.46$36.99 -
MSRP: $63.17$49.99 -
25 Sq Ft Spa Filter Cartridge - String Height, 2-1/8" Opening, 5-11/16" Dia, 10-3/8" Length, 3oz
Horizon Series by Filbur
MSRP: $38.86$30.99Premium replacement cartridge designed for front-loading skim filtration systems. This 25 square foot spa filter features string height pleating with precise dimensions: 2-1/8 inch open bottom...MSRP: $38.86$30.99 -
Sundance Spa Filter Cartridge 19" x 8.5", 125sqft, FC-2780, PSD125-2000, 6540-488, C-8326 Replacement
Horizon Series by Filbur
MSRP: $144.34$112.99Replacement filter cartridge designed specifically for Sundance spa systems, measuring 19 inches in length by 8.5 inches in diameter. This 125 square foot filtration cartridge features a 2.5-inch...MSRP: $144.34$112.99 -
Filter, Cartridge, 30sqft, ht, 3-1/2"mpt b, 5-1/16", 8-1/2" 3oz
Horizon Series by Filbur
MSRP: $50.09$38.99MSRP: $50.09$38.99 -
10 sq ft Spa Filter Cartridge - 4" H x 4-1/4" Dia, Dual 1-15/16" Openings, Skim Filter Replacement
Horizon Series by Filbur
MSRP: $22.99$18.99Premium replacement cartridge filter delivering 10 square feet of filtration surface area for superior spa water clarity. This compact filter measures 4 inches in height with a 4-1/4 inch outer...MSRP: $22.99$18.99 -
Jacuzzi Whirlpool Spa Filter 9 3/4" x 4 5/8" 25sqft FC-0131 4CH-24 PGS25P4 Gatsby Blue Ridge Echo
HTPOFAmerica
MSRP: $45.99$38.99Replacement spa filter cartridge measuring 9 3/4" in length by 4 5/8" in diameter, featuring a closed top with handle and a 1 1/2" mpt thin threaded nipple (approximately 1 13/16" across threads on...MSRP: $45.99$38.99 -
50sqft Spa Filter for Cal Spa & Marquis 12-1/2"x5-3/16" 2"MPT 5CH-352 5CH-502 FC-0195 PPM50
Horizon Series by Filbur
MSRP: $59.99$44.99This replacement filter cartridge is designed for select newer Cal Spa and Marquis Spas models. The cartridge measures 12-1/2" in height by 5-3/16" in diameter and features 2" Male Pipe Thread (MPT)...MSRP: $59.99$44.99 -
35 sq ft Spa Filter Cartridge 9-1/4" x 4-15/16" | 2-1/8" Openings | C-4335 FC-2385 PRB-35-IN
HTPOFAmerica
MSRP: $48.99$38.99This 35 square foot replacement filter cartridge measures 9-1/4" in length with a 4-15/16" outside diameter. Both top and bottom feature open-style 2-1/8" openings for optimal water flow through your...MSRP: $48.99$38.99 -
30 sq ft Hot Spring Spa Filter Cartridge 6" x 10-1/2" | FC-3915 C-6430 PWK30 | 1 15/16" Openings
Horizon Series by Filbur
MSRP: $42.00$32.99Genuine replacement 30 square foot filter cartridge engineered for Hot Spring spas manufactured by Watkins after 1990. This premium filtration cartridge measures 6 inches in outside diameter and...MSRP: $42.00$32.99