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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.

Items 1 to 25 of 42 total

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  1. PAS-1023 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX875-RE

    Fits the Hayward Super-Star-Clear C-4500, SwimClear C-4520 and Pentair Purex CF 105 Learn More
    $65.99 Retail Price:  $94.31
  2. PAS-1024 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX875-RE

    Fits the Hayward Super-Star-Clear C-4500, SwimClear C-4520 and Pentair Purex CF 105 Learn More
  3. PAS-1025 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX875-RE (Antimicrobial)

    Fits the Hayward Super-Star-Clear C-4500, SwimClear C-4520 and Pentair Purex CF 105 Learn More
    $76.99 Retail Price:  $105.31
  4. Tier1 brand replacement for CX500-RE, R173409 & 27-079 (front)

    Tier1 brand replacement for CX500-RE, R173409 & 27-079

    Fits the Hayward Star-Clear C500, Pentair Purex CF-50 and American Commander 50 Learn More
    $35.99 Retail Price:  $50.27
  5. PAS-1058 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX500-RE, R173409 & 27-080

    Fits the Hayward Star-Clear C500, Pentair Purex CF-50 and American Commander 50 Learn More
  6. PAS-1059 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX500-RE, R173409 & 27-081

    Fits the Hayward Star-Clear C500, Pentair Purex CF-50 and American Commander 50 Learn More
    $41.99 Retail Price:  $55.05
  7. Tier1 brand replacement for R173215 & 59054200 (front)

    Tier1 brand replacement for R173215 & 59054200

    Fits the Predator 100 - Pentair Clean & Clear 100 Learn More
    $73.99 Retail Price:  $75.89
  8. PAS-1093 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173215 & 59054200 (Antimicrobial)

    Fits the Predator 100 - Pentair Clean & Clear 100 Learn More
    $69.99 Retail Price:  $108.47
  9. PAS-1094 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173215 & 59054200

    Fits the Predator 100 - Pentair Clean & Clear 100 Learn More
    $83.01 Retail Price:  $97.76
  10. PAS-1097 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 10-inch diameter by 31 1/8-inch length filters

    Fits the Predator 150 - Pentair Clean & Clear 150 Learn More
    $86.99 Retail Price:  $134.25
  11. Tier1 brand replacement for R173213, 59054000 & 1561-26 (front)

    Tier1 brand replacement for R173213, 59054000 & 1561-26

    Fits the Predator 50 - Pentair Clean & Clear 50 Learn More
    $42.70 Retail Price:  $51.41
  12. PAS-1101 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173213, 59054000 & 1561-26 (Antimicrobial)

    Fits the Predator 75 - Pentair Clean & Clear 75 Learn More
    $55.43 Retail Price:  $66.04
  13. Tier1 brand replacement for R173214 & 59054100 (front)

    Tier1 brand replacement for R173214 & 59054100

    Fits the Predator 75 - Pentair, Clean & Clear 75 and Cal Spas Learn More
    $51.99 Retail Price:  $69.82
  14. PAS-1103 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173214 & 59054100 (Antimicrobial)

    Fits the Predator 75 - Pentair Clean & Clear 75 Learn More
    $71.91 Retail Price:  $85.00
  15. Tier1 brand replacement for 817-0131, 178584 & R173476 (front)

    Tier1 brand replacement for 817-0131, 178584 & R173476

    Fits the Pentair Clean & Clear Plus 420 and Waterway Crystal Water Learn More
    $61.99 Retail Price:  $73.59
  16. PAS-1150 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 817-0131, 178584 & R173476 (Antimicrobial)

    Fits the Pentair Clean & Clear Plus 420 and Waterway Crystal Water Learn More
    $82.32 Retail Price:  $96.97
  17. Tier1 brand replacement for 817-0143, 178585 & R173578 (front)

    Tier1 brand replacement for 817-0143, 178585 & R173578

    Fits the Pentair Clean & Clear Plus 520, Waterway Crystal Water, and Pac Fab Learn More
    $83.99 Retail Price:  $88.54
  18. Tier1 brand replacement for 178569 & R173572 (front)

    Tier1 brand replacement for 178569 & R173572

    Fits the Pentair Clean & Clear Plus 240 and American Quantum Learn More
    $49.27 Retail Price:  $58.96
  19. PAS-1157 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 178569 & R173572 (Antimicrobial)

    Fits the Pentair Clean & Clear Plus 240 and American Quantum Learn More
    $46.51 Retail Price:  $55.79
  20. Tier1 brand replacement for 817-0081, 178580 & R173573 (front)

    Tier1 brand replacement for 817-0081, 178580 & R173573

    Fits the Pentair Clean & Clear Plus 320, Quantum CM/RPM 360, Quantum CM/RPM 90 and Waterway Crystal Water 325 Learn More
    $50.99 Retail Price:  $60.94
  21. PAS-1159 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 817-0081, 178580 & R173573 (Antimicrobial)

    Fits the Pentair Clean & Clear Plus 320 Learn More
    $62.29 Retail Price:  $73.93
  22. PAS-1214 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173581 & 175653

    Fits the Pentair Purex DM-120 Learn More
    $86.96 Retail Price:  $102.30
  23. PAS-1218 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173579 & 175689

    Fits the Pentair Purex DM-75 Learn More
    $66.01 Retail Price:  $78.21
  24. PAS-1219 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173580 & 175652

    Fits the Pentair Purex DM-90 Learn More
    $73.40 Retail Price:  $86.71
  25. Tier1 brand replacement for 17-2812, 17-4985 & 32050204 (front)

    Tier1 brand replacement for 17-2812, 17-4985 & 32050204

    Fits Pentair / Pac Fab Mytilus B 100 GPM MA-100/160, Mitlus FMY 100, Mytilus 100 GPM MY 100, Mitra 100 GPM MA-100-160 and Wet Institute Modufilter M-330 Learn More
    $67.48 Retail Price:  $79.90

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