Filters, Replacement Cartridges

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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  • Filter, Cartridge, 50sqft,  2"female SAE Thread, 4-15/16", 13-1/2", Fits Some Four Winds Spas Filter, Cartridge, 50sqft,  2"female SAE Thread, 4-15/16", 13-1/2", Fits Some Four Winds Spas

    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
    $64.99
    Replacement 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 2-3/8").This 50 sq ft filtration cartridge is designed for...
    MSRP: $84.99
    $64.99
    Qty in Cart: 0
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    MSRP: $84.99
    $64.99
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  • Dynasty & Garden Leisure Filter, Cartridge, 50sqft, 2-1/8" Hole Top & Bottom, 5-5/16" wide, 10-1/8" Tall

    50sqft Spa Filter Cartridge for Dynasty & Garden Leisure - 5-5/16" x 10-1/8" with 2-1/8" Openings

    HTPOFAmerica

    MSRP: $47.46
    $36.99
    Premium 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, featuring 2-1/8" open holes at both top and bottom ends...
    MSRP: $47.46
    $36.99
    Qty in Cart: 0
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    MSRP: $47.46
    $36.99
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  • 25 Sq Ft Spa Filter Cartridge - String Height, 2-1/8" Opening, 5-11/16" Dia, 10-3/8" Length, 3oz

    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
    $30.99
    Premium 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 diameter, 5-11/16 inch body diameter, and 10-3/8 inch overall...
    MSRP: $38.86
    $30.99
    Qty in Cart: 0
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    MSRP: $38.86
    $30.99
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  • This filter is found only in Sundance Hot Tubs that is 19" long x 8 1/2" Wide and it has a hole in one end that is 2 1/2" and a nipple on the other end that is 2". Sundance Spa Filter Cartridge 19" x 8.5", 125sqft, FC-2780, PSD125-2000, 6540-488, C-8326 Replacement

    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
    $112.99
    Replacement 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 open hole at the top end and a 2-inch male slip nipple at...
    MSRP: $144.34
    $112.99
    Qty in Cart: 0
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    MSRP: $144.34
    $112.99
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  • 4" Tall X 4-1/4" Wide, 1-15/16" Top Hole, 1-15/16" Bottom Hole, 4 1/4", 4"

    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
    $18.99
    Premium 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 diameter, featuring dual open-end configuration with...
    MSRP: $22.99
    $18.99
    Qty in Cart: 0
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    MSRP: $22.99
    $18.99
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  • Filter, Jacuzzi Whirlpool, Gatsby, Blue Ridge, Echo,  9 3/4" x 4 5/8", 1 1/2" mpt , 25sqft, Filter, Jacuzzi Whirlpool, Gatsby, Blue Ridge, Echo,  9 3/4" x 4 5/8", 1 1/2" mpt , 25sqft,

    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
    $38.99
    Replacement 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 bottom). Compatible with various Jacuzzi Whirlpool hot...
    MSRP: $45.99
    $38.99
    Qty in Cart: 0
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    MSRP: $45.99
    $38.99
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  • Filter Fits Newer Cal Spas & Marquis 50sqft 2"mpt 12 1/2" x 5-3/16"  5CH-352 5CH-502 FC-0195 PPM-50
Note: The original Cal Spa filters are usually Red this filter will work in it's place. Filter Fits Newer Cal Spas & Marquis 50sqft 2"mpt 12 1/2" x 5-3/16"  5CH-352 5CH-502 FC-0195 PPM-50
Note: The original Cal Spa filters are usually Red this filter will work in it's place.

    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
    $44.99
    This 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) connections with thick threading that has an outside...
    MSRP: $59.99
    $44.99
    Qty in Cart: 0
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    MSRP: $59.99
    $44.99
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  • Filter Cartridge 35sqft 9 1/4" Tall x 4-15/16" with 2 1/8" Hole on Top and Bottom Filter Cartridge 35sqft 9 1/4" Tall x 4-15/16" with 2 1/8" Hole on Top and Bottom

    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
    $38.99
    This 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 hot tub filtration system. This widely-used cartridge...
    MSRP: $48.99
    $38.99
    Qty in Cart: 0
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    MSRP: $48.99
    $38.99
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  • Filter Cartridge Hotspring 30sqft 10 1/2" Tall x 6"Wide X 10-1/2" and has (2) 1 15/16" holes top & bottom Filter Cartridge Hotspring 30sqft 10 1/2" Tall x 6"Wide X 10-1/2" and has (2) 1 15/16" holes top & bottom

    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
    $32.99
    Genuine 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 10-1/2 inches in overall length, featuring 1 15/16 inch...
    MSRP: $42.00
    $32.99
    Qty in Cart: 0
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    MSRP: $42.00
    $32.99
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