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Filter Cartridge Replacement for Spas & Hot Tubs

If you are searching for a cartridge replacement for your spa or hot tub filter then you're in the right place! Having difficulty in finding the right cartridge for your filter? Just send us some information like the dimensions and brand of the filter by calling us today at 866-535-0899. We have competitive discounted prices. So shop now!

  • Cartridge, 40 sqft, ht, 2"mpt b, 6"od, 9-1/4", 3oz

    Cartridge, 40 sqft, ht, 2"mpt b, 6"od, 9-1/4", 3oz

    SKU: PST-17-175-1024

    MPN:
    PMA40L-F2M
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    9-1/4"
    Filter Diameter:
    6"
    Pleatco Number:
    PMA40L-F2M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $102.80
    $53.40
    Add to Cart
  • Cartridge, 50sqft, 2-1/8"ot, 2-1/8"ot, 5-3/4", 11-7/8", 3oz

    Cartridge, 50sqft, 2-1/8"ot, 2-1/8"ot, 5-3/4", 11-7/8", 3oz

    SKU: PST-17-444-5302

    MPN:
    C-5302
    Warehouse Location:
    Memphis, TN
    Filter Length:
    11-7/8"
    Filter Diameter:
    5-3/4"
    Unicel Number:
    C-5302
    Filter Top Style:
    Open
    Filter Bottom Style:
    Open
    Filter Media Type:
    3oz
    Filter Square Footage:
    50 sq ft
    Manufacturer:
    Unicel
    $88.10
    $46.30
    Add to Cart
  • Cartridge, 33 sqft, 2-1/16"ot, 2-1/16"ot, 7"OD, 14", 4oz

    Cartridge, 33 sqft, 2-1/16"ot, 2-1/16"ot, 7"OD, 14", 4oz

    SKU: PST-17-444-7632

    MPN:
    C-7632
    Warehouse Location:
    Tucson, AZ | Memphis, TN
    Filter Length:
    14"
    Filter Diameter:
    7"
    Unicel Number:
    C-7632
    Filter Top Style:
    Open
    Filter Bottom Style:
    Open
    Filter Media Type:
    4oz
    Filter Square Footage:
    33 sq ft
    Manufacturer:
    Unicel
    $125.20
    $70.60
    Add to Cart
  • Cartridge, 20 sqft, ht, 1-1/2"mpt b, 4-3/4"od, 7-1/16", 3oz

    Cartridge, 20 sqft, ht, 1-1/2"mpt b, 4-3/4"od, 7-1/16", 3oz

    SKU: PST-17-175-1019

    MPN:
    PSANT20P4
    Warehouse Location:
    Tucson, AZ | Memphis, TN
    Filter Length:
    7-1/16"
    Filter Diameter:
    4-3/4"
    Pleatco Number:
    PSANT20P4
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Square Footage:
    20 sq ft
    Manufacturer:
    Pleatco
    $61.70
    $31.60
    Add to Cart
  • Cartridge, 35 sqft, ht, 1-1/2" SAE b, 5-3/4"od, 8", 3oz

    Cartridge, 35 sqft, ht, 1-1/2" SAE b, 5-3/4"od, 8", 3oz

    SKU: PST-17-175-1017

    MPN:
    PMAX50P3
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    8"
    Filter Diameter:
    5-3/4"
    Pleatco Number:
    PMAX50P3
    Filter Top Style:
    Handle
    Filter Bottom Style:
    SAE Thread
    Filter Media Type:
    3oz
    Filter Square Footage:
    35 sq ft
    Manufacturer:
    Pleatco
    $80.80
    $41.30
    Add to Cart
  • Cartridge, 5 sqft, 1-1/4"ot, 2-7/16"ob, 4-3/4"OD, 8", 4oz, No Core

    Cartridge, 5 sqft, 1-1/4"ot, 2-7/16"ob, 4-3/4"OD, 8", 4oz, No Core

    SKU: PST-17-444-4608

    MPN:
    C-4608
    Warehouse Location:
    Tucson, AZ | Memphis, TN
    Filter Length:
    8"
    Filter Diameter:
    4-3/4"
    Unicel Number:
    C-4608
    Filter Top Style:
    Open
    Filter Bottom Style:
    Open
    Filter Media Type:
    4oz
    Filter Model:
    CR8/F108/F110
    Filter Square Footage:
    5 sq ft
    Manufacturer:
    Unicel
    $31.90
    $15.40
    Add to Cart
  • Cartridge, 25sqft, ht, 1-1/2"mpt b, 6"dia, 9-3/4", 3oz

    Cartridge, 25sqft, ht, 1-1/2"mpt b, 6"dia, 9-3/4", 3oz

    SKU: PST-17-175-1643

    MPN:
    PTL25W-P4
    Warehouse Location:
    Tucson, AZ | Memphis, TN
    Filter Length:
    9-3/4"
    Filter Diameter:
    6"
    Filbur Number:
    FC-3083
    Pleatco Number:
    PAQ25-O
    RJ Filtration Number:
    AK-5011
    Unicel Number:
    C-6601
    Aladdin Number:
    12529
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Square Footage:
    25 sq ft
    Manufacturer:
    Pleatco
    $72.90
    $38.10
    Add to Cart
  • Cartridge, 40sqft,ht,2" mpt b,6",7-5/8",3oz

    Cartridge, 40sqft,ht,2" mpt b,6",7-5/8",3oz

    SKU: PST-17-175-2530

    MPN:
    PAS40-F2M
    Warehouse Location:
    Memphis, TN
    Filter Length:
    7-5/8"
    Filter Diameter:
    6"
    Pleatco Number:
    PAS40-F2M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    Point Bonded
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $95.40
    $49.80
    Add to Cart
  • Cartridge, 40 sqft, ht, 2"mpt b, 6"od, 9-1/4", 3oz, MB
    out of stock

    Cartridge, 40 sqft, ht, 2"mpt b, 6"od, 9-1/4", 3oz, MB

    SKU: PST-17-175-1024MB

    MPN:
    PMA40L-F2M-M
    Warehouse Location:
    Memphis, TN
    Filter Length:
    9-1/4"
    Filter Diameter:
    6"
    Pleatco Number:
    PMA40L-F2M-M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz Microban
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $110.00
    $56.90
    Out of stock
  • Cartridge, 50sqft, ht, 1-1/2"mpt b, 6"OD, 14-1/2" L
    out of stock

    Cartridge, 50sqft, ht, 1-1/2"mpt b, 6"OD, 14-1/2" L

    SKU: PST-17-175-1118

    MPN:
    PTL50W-SV-P-4
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    14-1/2"
    Filter Diameter:
    6"
    Filbur Number:
    FC-0340
    Pleatco Number:
    PTL50W-SV-P4
    Unicel Number:
    6CH-50
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Square Footage:
    50 sq ft
    Manufacturer:
    Pleatco
    $106.40
    $56.10
    Out of stock
  • Cartridge, 40sqft, ht, 2"mpt b, 7", 6", 3oz MB
    out of stock

    Cartridge, 40sqft, ht, 2"mpt b, 7", 6", 3oz MB

    SKU: PST-17-175-1899MB

    MPN:
    PMA40SV-F2M-M
    Warehouse Location:
    Memphis, TN
    Filter Length:
    6"
    Filter Diameter:
    7"
    Pleatco Number:
    PMA40-F2M-M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz Microban
    Filter Model:
    Eco-Pur Antimicrobial
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $112.30
    $58.50
    Out of stock
  • Cartridge, 200sqft, 6" ot, 6" ob, 10", 23-1/8", 4oz MB
    out of stock

    Cartridge, 200sqft, 6" ot, 6" ob, 10", 23-1/8", 4oz MB

    SKU: PST-17-175-2645MB

    MPN:
    PWWEK200-M4
    Warehouse Location:
    Memphis, TN
    Filter Length:
    23-1/8"
    Filter Diameter:
    10"
    Pleatco Number:
    PWWEK200-M4
    Unicel Number:
    C-9489AM
    Filter Top Style:
    Open
    Filter Bottom Style:
    Open
    Filter Media Type:
    4oz Microban
    Filter Square Footage:
    200 sq ft
    Manufacturer:
    Pleatco
    $268.20
    $178.80
    Out of stock
  • Cartridge, 40sqft, ht, 2" mpt b, 6", 7-5/8", 3oz MB
    out of stock

    Cartridge, 40sqft, ht, 2" mpt b, 6", 7-5/8", 3oz MB

    SKU: PST-17-175-2530MB

    MPN:
    PAS40-F2M-M
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    7-5/8"
    Filter Diameter:
    6"
    Pleatco Number:
    PAS40-F2M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz Microban
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $87.50
    $46.00
    Out of stock
  • Cartridge, 25 sqft, ht, 1-1/2" SAE b, 6", 5", 3oz
    out of stock

    Cartridge, 25 sqft, ht, 1-1/2" SAE b, 6", 5", 3oz

    SKU: PST-17-175-2625

    MPN:
    PWW25SV-P3
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    5-1/2"
    Filter Diameter:
    6"
    Pleatco Number:
    PWW25SV-P3
    Unicel Number:
    6CH-924
    Filter Top Style:
    Handle
    Filter Bottom Style:
    SAE Thread
    Filter Media Type:
    3oz
    Filter Square Footage:
    25 sq ft
    Manufacturer:
    Pleatco
    $67.80
    $35.30
    Out of stock
  • Cartridge, 50sqft, ht, 2" mpt b, 7", 7-9/16", 3oz MB
    out of stock

    Cartridge, 50sqft, ht, 2" mpt b, 7", 7-9/16", 3oz MB

    SKU: PST-17-175-2535MB

    MPN:
    PAS50-F2M-M
    Warehouse Location:
    Memphis, TN
    Filter Length:
    7-5/8"
    Filter Diameter:
    7-1/8"
    Pleatco Number:
    PAS50-F2M-M
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz Microban
    Filter Square Footage:
    50 sq ft
    Manufacturer:
    Pleatco
    $111.90
    $58.30
    Out of stock
  • Cartridge, 15 sqft, ht, 1-1/2"mpt b, 4-3/4"dia, 6-1/2", 3 oz
    out of stock

    Cartridge, 15 sqft, ht, 1-1/2"mpt b, 4-3/4"dia, 6-1/2", 3 oz

    SKU: PST-17-175-1644

    MPN:
    PSG15P4
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    6-1/2"
    Filter Diameter:
    4-3/4"
    Filbur Number:
    **
    OEM Number:
    **
    Pleatco Number:
    PSG25P4
    RJ Filtration Number:
    **
    Unicel Number:
    **
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Model:
    Top Load Filter
    Filter Square Footage:
    15 sq ft
    Manufacturer:
    Pleatco
    $62.30
    $31.20
    Out of stock
  • Cartridge, 25 sqft, ht, 1-1/2"mpt b, 5"OD, 6-5/8" L, 3oz
    out of stock

    Cartridge, 25 sqft, ht, 1-1/2"mpt b, 5"OD, 6-5/8" L, 3oz

    SKU: PST-17-175-1662

    MPN:
    PHC25P4
    Warehouse Location:
    Tucson, Arizona | Memphis, TN
    Filter Length:
    6-5/8"
    Filter Diameter:
    5"
    Filbur Number:
    FC-0125
    OEM Number:
    20241-238
    Pleatco Number:
    PHC25P4
    Unicel Number:
    4CH-20
    Filter Top Style:
    Handle
    Filter Bottom Style:
    Male Pipe Thread (mpt)
    Filter Media Type:
    3oz
    Filter Square Footage:
    25 sq ft
    Manufacturer:
    Pleatco
    ReplacedBy:
    PST-17-175-1618?5881,PST-17-175-1618PB?17438
    $74.90
    $38.00
    Out of stock
  • Cartridge, 40sqft, Castle t, 2-1/16" ob, 4-5/8" diameter, 16-3/4", 3oz
    out of stock

    Cartridge, 40sqft, Castle t, 2-1/16" ob, 4-5/8" diameter, 16-3/4", 3oz

    SKU: PST-17-175-1642

    MPN:
    PSD40
    Warehouse Location:
    Memphis, TN
    Filter Length:
    16-3/4"
    Filter Diameter:
    4-5/8"
    Filbur Number:
    FC-2710
    OEM Number:
    6540-495
    Pleatco Number:
    PSD40
    RJ Filtration Number:
    AK-3031
    Unicel Number:
    C-4440
    Filter Top Style:
    Castle
    Filter Bottom Style:
    Open
    Filter Media Type:
    3oz
    Filter Model:
    Marin
    Filter Square Footage:
    40 sq ft
    Manufacturer:
    Pleatco
    $99.80
    $51.90
    Out of stock