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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. PAS-1419 Tier1 Replacement Pool and Spa Filter

    Pacific Marquis 25 Spa Filter: Comparable Replacement by Tier1

    Fits into Pacific Marquis 25 models that use 5 3/16-inch diameter by 11 7/8-inch length spa filters Learn More
    $25.44 Retail Price:  $31.56
  2. 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
    $24.99 Retail Price:  $43.23
  3. PAS-1446 Tier1 Replacement Pool and Spa Filter

    Waterway Pool & Spa Heavy Duty Replacement Filter by Tier1: 5 x 13 5/16

    For use in spa and pool models that support R173430, 17-2482, FC-2380, R173430, 25393, Pleatco PRB37-IN-4, Dynamic and Waterway filters. Learn More
    $30.66 Retail Price:  $37.56
  4. PAS-1445 Tier1 Replacement Pool and Spa Filter

    Dynamic / Waterway Pool & Spa Antimicrobial Replacement Filter by Tier1

    Fits Dynamic Series IV DFM, DFML and systems that support 17-2464, 303557817-3501, PAS-1444, PAS-1445, R173431, R173433, SD-00198, 03FIL1300, Filbur FC-2385, Pleatco PRB35-IN & PRB35-IN-M, Unicel C-4335 and Waterway 5” x 9-1/4” pool & spa filters Learn More
    $25.48 Retail Price:  $31.60
  5. Tier1 brand replacement for 03FIL1300, 17-2482, 25393, 303557 817-3501 & R173431 (front)

    Tier1 brand replacement for 03FIL1300, 17-2482, 25393, 303557 817-3501 & R173431

    Fits systems that use 5-inch diameter by 9 1/4-inch length filters Learn More
    $21.13 Retail Price:  $26.60
  6. PAS-1443 Tier1 Replacement Pool and Spa Filter (2-Pack)

    Tier1 brand replacement for 817-5010, 17-2464 & R173433 (2-pack)

    Fits systems that use 5-inch diameter by 6 5/8-inch length filters Learn More
    $30.82 Retail Price:  $37.74
  7. PAS-1442 Tier1 Replacement Pool and Spa Filter (2-Pack)

    Tier1 brand replacement for 817-5010, 17-2464 & R173433 (2-pack)

    Fits systems that use 5-inch diameter by 6 5/8-inch length filters Learn More
    $32.75 Retail Price:  $39.96
  8. PAS-1441 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2653

    Fits systems that use 5-inch diameter by 13 5/16-inch length filters Learn More
    $18.69 Retail Price:  $23.79
  9. PAS-1440 Tier1 Replacement Pool and Spa Filter

    Tier1 brand 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 Retail Price:  $27.39
  10. PAS-1448 Tier1 Replacement Pool and Spa Filter

    Tier1 brand 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
    $31.67 Retail Price:  $38.72
  11. PAS-1449 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2632, RTL-75, 25390 & R173435

    Fits systems that use 5-inch diameter by 20 1/8-inch length filters Learn More

    Regular Price: $39.99

    Special Price: $27.05

  12. PAS-1457 Tier1 Replacement Pool and Spa Filter
  13. PAS-1456 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 5-inch diameter by 14 13/16-inch length filters

    Fits systems that use 4 15/16-inch diameter by 14 13/16-inch length filters Learn More
    $16.19 Retail Price:  $20.92
  14. PAS-1455 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 3 1/4-inch diameter by 14 13/16-inch length filters

    Fits systems that use 3 1/4-inch diameter by 14 13/16-inch length filters Learn More
    $15.30 Retail Price:  $19.90
  15. PAS-1454 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 111064

    Fits the Leisure Bay JC -150 Learn More
    $103.69 Retail Price:  $121.54
  16. PAS-1453 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-0052 (Antimicrobial)

    Fits the Rainbow Chloro Learn More
    $14.14 Retail Price:  $18.56
  17. PAS-1452 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-0052

    Fits the Rainbow Chloro Learn More
    $12.56 Retail Price:  $16.74
  18. PAS-1451 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 5-inch diameter by 4 5/8-inch length filters

    Fits systems that use 5-inch diameter by 4 5/8-inch length filters Learn More
    $11.74 Retail Price:  $15.80
  19. PAS-1450 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2632, RTL-75, 25390 & R173435 (Antimicrobial)

    Fits systems that use 5-inch diameter by 20 1/8-inch length filters Learn More
    $49.35 Retail Price:  $59.05
  20. PAS-1439 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-2325

    Fits systems that use 5-inch diameter by 13 5/16-inch length filters Learn More
  21. 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
    $18.99 Retail Price:  $24.14
  22. PAS-1427 Tier1 Replacement Pool and Spa Filter
  23. PAS-1426 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 37-0216

    Fits the Pacific Marquis 58 Learn More
    $42.19 Retail Price:  $50.82
  24. PAS-1425 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 37-0217

    Fits the Pacific Marquis 50 (Old Style) Learn More
    $38.19 Retail Price:  $46.22
  25. PAS-1424 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 20041 & 370-0237 (Antimicrobial)

    Fits systems that use 5 1/4-inch diameter by 12 3/16-inch length filters Learn More
    $42.83 Retail Price:  $51.55

Items 1 to 25 of 651 total

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