Discount Water Filters and Air Filters at Discount Filter Store.com

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Pool Filters & Spa Filters

Your pool and spa should be for you, not for bacteria. Be sure to replace your old pool filter to keep your Jacuzzi and swimming pool clean. Discount Filter Store carries an expansive line of replacement pool filters and spa filters from industry leading brands like Tier1. With antimicrobial pool filters, you can swim with confidence knowing that no harmful microbes are swimming with you. Enjoy your summer with clean water.

Not sure which filter you need? Speak with one of our filter experts at 1-800-277-3458, and we’ll answer your filter questions to help you find the best product for you.

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48 Item(s)

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  • Pleatco PLBS75-M Replacement Pool and Spa Filter

    Pleatco PLBS75-M Pool and Spa Replacement Filter

    $34.99
    MSRP: $40.72
    Save 14%
  • Pleatco PCAL100-M Replacement Pool and Spa Filter
  • Pleatco PCAL75 Replacement Pool and Spa Filter

    Pleatco PCAL75 Pool and Spa Filter Replacement

    $41.19
    MSRP: $51.99
    Save 21%
  • Tier1 brand replacement for 817-0131, 178584 & R173476

    Tier1 brand replacement for 817-0131, 178584 & R173476

    $51.99
    MSRP: $73.59
    Save 29%
  • Tier1 brand replacement for 817-0143, 178585 & R173578

    Tier1 brand replacement for 817-0143, 178585 & R173578

    $67.99
    MSRP: $88.54
    Save 23%
  • Pleatco PLBS100-M Replacement Pool and Spa Filter
  • Tier1 brand replacement for 817-0014, 173584 & R173584

    Tier1 brand replacement for 817-0014, 173584 & R173584

    $22.99
    MSRP: $29.35
    Save 22%
  • Pleatco replacement for 817-0014, 173584 & R173584

    Pleatco 817-0014, 173584 & R173584 (Antimicrobial)

    $28.98
    MSRP: $35.63
    Save 19%
  • Pleatco PRB17.5SF-JH-M-PAIR Replacement Pool and Spa Filter (2-Pack)
  • Pleatco PRB17.5SF-JH-PAIR Replacement Pool and Spa Filter (2-Pack)
  • Pleatco PRB17.5SF-PAIR Replacement Pool and Spa Filter (2-Pack)
  • TIER1-PAS-1438

    TIER1-PAS-1438

    $13.69
    MSRP: $24.14
    Save 43%
  • Pleatco PRB25-IN-4 replacement for 17-2325
  • PLEATCO-PRB25-IN-M

    PLEATCO-PRB25-IN-M

    $25.79
    MSRP: $27.39
    Save 6%
  • Pleatco PRB25SF-JH replacement for 817-5010, 17-2464 & R173433 (2-pack)
  • PLEATCO-PRB25SF-PAIR

    PLEATCO-PRB25SF-PAIR

    $31.89
    MSRP: $37.74
    Save 16%
  • PAS-1445 Tier1 Replacement Pool and Spa Filter
  • Waterway Pool & Spa Heavy Duty Replacement Filter by Pleatco: 5 x 13 5/16
  • Tier1 brand replacement for 03FIL1600

    Tier1 brand replacement for 03FIL1600

    $24.99
    MSRP: $43.23
    Save 42%
  • Pleatco PRB50-IN-M replacement for 03FIL1600, 17-2380, RTL-50, 100533, 6540-471, 25391, 817-5000 & R173434 (Antimicrobial)
  • Pleatco PRB75 replacement for 17-2632, RTL-75, 25390 & R173435
  • Pleatco PRB75M replacement for 17-2632, RTL-75, 25390 & R173435 (Antimicrobial)
  • Pleatco PWW10 Replacement Pool and Spa Filter

    Pleatco PWW10 Pool and Spa Replacement Filter

    $16.02
    MSRP: $20.72
    Save 23%
  • PLEATCO-PWW100-M4

    PLEATCO-PWW100-M4

    $91.16
    MSRP: $107.13
    Save 15%
  • Pleatco PWW100ST-P3 Replacement Pool and Spa Filter

    Pleatco PWW100ST-P3 Pool and Spa Replacement Filter

    $64.77
    MSRP: $76.79
    Save 16%
  • Pleatco PWW100ST-P3-M Replacement Pool and Spa Filter
  • Pleatco PWW10-JH-M-PAIR Pool and Spa Antimicrobial Replacement Filter (2-pack)
  • PLEATCO-PWW10-JH-PAIR

    PLEATCO-PWW10-JH-PAIR

    $18.57
    MSRP: $23.66
    Save 22%
  • Pleatco PWW10-M Replacement Pool and Spa Filter
  • Pleatco PWW10PAIR Replacement Pool and Spa Filter (2-Pack)

    Pleatco PWW10PAIR Pool and Spa Replacement Filter (2-pack)

    $17.37
    MSRP: $22.28
    Save 22%
  • PLEATCO-PWW25L

    PLEATCO-PWW25L

    $20.89
    MSRP: $23.51
    Save 11%
  • Tier1 brand replacement for 817-4035

    Tier1 brand replacement for 817-4035

    $17.99
    MSRP: $29.27
    Save 39%
  • Tier1 brand replacement for 817-4035 (Antimicrobial)

    Tier1 brand replacement for 817-4035 (Antimicrobial)

    $21.99
    MSRP: $31.03
    Save 29%
  • Pleatco PWW40 Pool and Spa Replacement Filter

    Pleatco PWW40 Pool and Spa Replacement Filter

    $25.11
    MSRP: $31.18
    Save 19%
  • TIER1-PAS-1617

    TIER1-PAS-1617

    $20.99
    MSRP: $34.27
    Save 39%
  • TIER1-PAS-1618

    TIER1-PAS-1618

    $19.99
    MSRP: $36.79
    Save 46%
  • Tier1 brand replacement for 817-4050 (Antimicrobial)

    Tier1 brand replacement for 817-4050 (Antimicrobial)

    $26.99
    MSRP: $37.81
    Save 29%
  • Pleatco PWW50P3-M Pool and Spa Antimicrobial Replacement Filter
  • Pleatco PWW50P4 replacement filter
  • Pleatco PWW75-4 Pool and Spa Replacement Filter

    Pleatco PWW75-4 Pool and Spa Replacement Filter

    $64.89
    MSRP: $80.99
    Save 20%
  • Pleatco PWWCT100 Pool and Spa Replacement Filter

    Pleatco PWWCT100 Pool and Spa Replacement Filter

    $66.99
    MSRP: $88.86
    Save 25%
  • Pleatco PWWCT100-M Pool and Spa Antimicrobial Replacement Filter
  • Pleatco PWWCT125 Pool and Spa Replacement Filter

    Pleatco PWWCT125 Pool and Spa Replacement Filter

    $91.85
    MSRP: $107.93
    Save 15%
  • Pleatco PWWCT150 Pool and Spa Replacement Filter

    Pleatco PWWCT150 Pool and Spa Replacement Filter

    $83.99
    MSRP: $118.85
    Save 29%
  • TIER1-PAS-1631

    TIER1-PAS-1631

    $41.99
    MSRP: $77.92
    Save 46%
  • PLEATCO-PWWCT75-M

    PLEATCO-PWWCT75-M

    $81.02
    MSRP: $95.47
    Save 15%
  • PLEATCO-PWWPC125B

    PLEATCO-PWWPC125B

    $97.87
    MSRP: $114.85
    Save 15%
  • Pleatco PWWPC150B Replacement Pool and Spa Filter

    Pleatco PWWPC150B Replacement Pool and Spa Filter

    $99.99
    MSRP: $125.80
    Save 21%

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