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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.

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

    $30.05
    MSRP: $48.06
    Save 37%
  • Tier1 brand replacement for 817-0131, 178584 & R173476 (front)
  • Tier1 brand replacement for 817-0143, 178585 & R173578 (front)
  • Pleatco PLBS100-M Replacement Pool and Spa Filter
  • 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 replacement for 817-0100 & 111832 (Antimicrobial)
  • 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 Replacement Pool and Spa Filter (2-Pack)
  • Pleatco PWW10-JH-PAIR Replacement Pool and Spa Filter (2-Pack)
  • Pleatco PWW10-M Replacement Pool and Spa Filter
  • Pleatco PWW10PAIR Replacement Pool and Spa Filter (2-Pack)
  • Pleatco PWW25L Replacement Pool and Spa Filter
  • Tier1 brand replacement for 817-4035

    Tier1 brand replacement for 817-4035

    $24.99
    MSRP: $29.27
    Save 15%
  • Tier1 brand replacement for 817-4035 (Antimicrobial) (alternate)

    Tier1 brand replacement for 817-4035 (Antimicrobial)

    $22.89
    MSRP: $31.03
    Save 26%
  • Pleatco PWW40 Pool and Spa Replacement Filter

    Pleatco PWW40 Pool and Spa Replacement Filter

    $25.11
    MSRP: $31.18
    Save 19%
  • Waterway 817-0050 Pool and Spa Filter Replacement by Tier1
  • Tier1 brand replacement for 817-4050

    Tier1 brand replacement for 817-4050

    $30.99
    MSRP: $36.79
    Save 16%
  • Pleatco PWW75-4 Pool and Spa Replacement Filter

    Pleatco PWW75-4 Pool and Spa Replacement Filter

    $62.72
    MSRP: $74.43
    Save 16%
  • Pleatco PWWCT100 Pool and Spa Replacement Filter

    Pleatco PWWCT100 Pool and Spa Replacement Filter

    $65.95
    MSRP: $88.86
    Save 26%
  • 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%
  • 817-0075N Waterway Clearwater Comparable Pool and Spa Filter Replacement by Tier1
  • Pleatco PWWCT75-M Pool and Spa Antimicrobial Replacement Filter
  • Pleatco PWWPC125B Pool and Spa Replacement Filter

    Pleatco PWWPC125B Pool and Spa Replacement Filter

    $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%

48 Item(s)

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