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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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  1. Pleatco PCAL42-F2M Replacement Pool and Spa Filter

    Pleatco PCAL42-F2M Pool and Spa Filter Replacement

    Fits the Cal Spa Avalon M-07-A726LMA-26 Learn More
    $29.73 MSRP:  $36.49
  2. Pleatco PJ25-IN-M4 replacement for 42-2891-08-R, 2590000 & 5475000 (Antimicrobial)
  3. Pleatco PJ37-IN-4 replacement for 42-3533-00-R

    Pleatco PJ37-IN-4 replacement for 42-3533-00-R

    Fits the Jacuzzi CFR/CFT 37 Learn More
    $27.76 MSRP:  $34.22
  4. Pleatco PMT27.5 Replacement Pool and Spa Filter

    Pleatco PMT27.5 replacement for 220122 & ELE-25

    Fits the Sonfarrel 25-220122 and Martec Learn More
    $21.92 MSRP:  $27.51
  5. Pleatco PMT45 Replacement Pool and Spa Filter
  6. Pleatco POX25-IN Replacement Pool and Spa Filter

    Pleatco POX25-IN replacement for ELE-25-1

    Fits the Advantage Electric 25-1 Learn More
    $21.13 MSRP:  $26.60
  7. Tier1 brand replacement for 17-2327, 100586, 33521, 25392, 303909, M-4326, 817-2500 & R173429 (front)

    Tier1 brand replacement for 17-2327, 100586, 33521, 25392, 303909, M-4326, 817-2500 & R173429

    Fits the Dynamic Series I RDC-25, I RDC-25S, Dynamic Series II & II RTL/RCF-25, Dynamic Series IV-DFM, DFML and Waterway 25 Learn More
    $21.99 MSRP:  $24.14
  8. Pleatco PRB25-IN-4 replacement for 17-2325

    Pleatco PRB25-IN-4 replacement for 17-2325

    Fits systems that use 5-inch diameter by 13 5/16-inch length filters Learn More
  9. Pleatco PRB25-IN-M replacement for 17-2327, 100586, 33521, 25392, 303909, M-4326, 817-2500 & R173429 (Antimicrobial)

    Pleatco PRB25-IN-M replacement for 17-2327, 100586, 33521, 25392, 303909, M-4326, 817-2500 & R173429 (Antimicrobial)

    Fits the Dynamic Series I RDC-25, I RDC-25S, Dynamic Series II & II RTL/RCF-25, Dynamic Series IV-DFM, DFML and Waterway 25 Learn More
    $21.82 MSRP:  $27.39
  10. Dynamic Pool & Spa Standard Filter Replacement by Tier1 (5 x 13-5/16) (front)

    Tier1 brand replacement for 03FIL1600

    Fits Rainbow Dynamic 50, Dynamic Series IV DFM-50, DFML-50, Series IV DFM-100, DFML-100, Series II & III RTL-50, RCF-50, Series I RDC-50, RDC-50S, Waterway and other pool and spa filtration systems Learn More
    $24.89 MSRP:  $43.23
  11. Pleatco PRB50-IN-M replacement for 03FIL1600, 17-2380, RTL-50, 100533, 6540-471, 25391, 817-5000 & R173434 (Antimicrobial)

    Pleatco PRB50-IN-M replacement for 03FIL1600, 17-2380, RTL-50, 100533, 6540-471, 25391, 817-5000 & R173434 (Antimicrobial)

    Fits systems that use 5-inch diameter by 13 5/16-inch length filters Learn More
    $29.99 MSRP:  $38.72
  12. Pleatco PST45 Replacement Pool and Spa Filter
  13. Pleatco PWW25L Replacement Pool and Spa Filter

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