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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. Tier1 brand replacement for CX1250-RE, CX1500-RE (front)

    Tier1 brand replacement for CX1250-RE, CX1500-RE

    Fits the Hayward ASL Full-Flo C1250 and C1500 Learn More
    $75.99 Retail Price:  $91.99
  2. PAS-1031 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX1250-RE, CX1500-RE

    Fits the Hayward ASL Full-Flo C1250 and C1500 Learn More
  3. PAS-1032 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX1250-RE, CX1500-RE (Antimicrobial)

    Fits the Hayward ASL Full-Flo C1250 and C1500 Learn More
    $85.99 Retail Price:  $118.78
  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 CX550-RE (front)

    Tier1 brand replacement for CX550-RE

    Fits the Hayward Easy Clear C550 and Hayward CX 550 Learn More
    $35.99 Retail Price:  $54.27
  8. PAS-1071 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX570-XRE & 25200-01755

    Fits the Hayward C-570, SwimClear C3020, Super-Star-Clear C3000, C3000S and Sta-Rite PRC 75 Learn More
    $43.99 Retail Price:  $69.75
  9. PAS-1072 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX570-XRE & 25200-01755

    Fits the Hayward C-570, SwimClear C3020, Super-Star-Clear C3000, C3000S and Sta-Rite PRC 75 Learn More
  10. PAS-1073 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX570-XRE & 25200-01755 (Antimicrobial)

    Fits the Hayward C-570, SwimClear C3020, Super-Star-Clear C3000, C3000S and Sta-Rite PRC 75 Learn More
    $55.99 Retail Price:  $73.34
  11. Tier1 brand replacement for CX580-XRE (front)

    Tier1 brand replacement for CX580-XRE

    Fits the Hayward SwimClear C-3025 Learn More
    $60.84 Retail Price:  $72.27
  12. PAS-1081 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for CX580-XRE

    Fits the Hayward SwimClear C-3025 Learn More
  13. PAS-1114 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 18112RO100

    Fits the Astral Terra 100 Learn More
    $81.00 Retail Price:  $95.45
  14. PAS-1125 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-B2055

    Fits the Baker-Hydro HM 50 Learn More
    $51.46 Retail Price:  $61.48
  15. PAS-1129 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 17-B1166

    Fits the Baker-Hydro UM 75 Learn More
    $69.55 Retail Price:  $82.28
  16. PAS-1135 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for F-225, F-335 & F-345

    Fits the Coleco F-225, F-235, F-345, DR-18 and Lomart 60-4314 Learn More
    $17.12 Retail Price:  $21.99
  17. 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
  18. 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
  19. PAS-1175 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173203 & 57005800

    Fits the American Commander 50 and Premier Learn More
    $41.71 Retail Price:  $50.27
  20. PAS-1177 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for R173210, 57014300, &27-080

    Fits the American Commander 150 and Premier Learn More
    $53.30 Retail Price:  $63.60
  21. Tier1 brand replacement for R173574 & 56628300

    Tier1 brand replacement for R173574 & 56628300

    Fits the American Quantum Stainless Steel, Quantum RPM and Quantum CM Learn More
    $60.15 Retail Price:  $71.47
  22. PAS-1201 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for PRB75

    Fits systems that use 5-inch diameter by 20 1/8-inch length filters Learn More
    $46.35 Retail Price:  $55.60
  23. 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
  24. 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
  25. 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

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