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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, 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
    $87.70
    $47.10
    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, 155sqft, 2-5/8"ob, 3-1/2"fpt t, 7-3/4", 28-3/8" 4oz
    out of stock

    Cartridge, 155sqft, 2-5/8"ob, 3-1/2"fpt t, 7-3/4", 28-3/8" 4oz

    SKU: PST-17-175-3521

    MPN:
    FC-6115
    Warehouse Location:
    Tucson, AZ
    Filter Length:
    28-3/8"
    Filter Diameter:
    7-3/4"
    Filbur Number:
    FC-6115
    OEM Number:
    ST155
    Pleatco Number:
    PH155-4
    Unicel Number:
    C-7697
    Filter Top Style:
    Female Pipe Thread (fpt)
    Filter Bottom Style:
    Open
    Filter Media Type:
    4oz
    Filter Model:
    Tropic Flo 155
    Filter Square Footage:
    155 sq ft
    Manufacturer:
    Filbur
    ReplacedBy:
    PST-17-775-3521?28569
    $178.70
    $107.20
    Out of stock
  • Cartridge, 20sqft, 2-5/8"ot, 2-5/8"ob, 6-1/4", 8" 4oz
    out of stock

    Cartridge, 20sqft, 2-5/8"ot, 2-5/8"ob, 6-1/4", 8" 4oz

    SKU: PST-17-175-1465

    MPN:
    FC-3840
    Warehouse Location:
    Memphis, TN
    Filter Length:
    8"
    Filter Diameter:
    6-1/4"
    Filbur Number:
    FC-3840
    OEM Number:
    A-3821
    Pleatco Number:
    PMS20
    RJ Filtration Number:
    AK-5018
    Unicel Number:
    C-6620
    Aladdin Number:
    12002
    Filter Top Style:
    Open
    Filter Bottom Style:
    Open
    Filter Media Type:
    4oz
    Filter Model:
    Sears FE-20
    Filter Square Footage:
    20 sq ft
    Manufacturer:
    Filbur
    $56.40
    $29.20
    Out of stock