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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 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
    $39.99 Retail Price:  $50.27
  2. 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
  3. 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
  4. 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
    $57.99 Retail Price:  $60.94
  5. 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
  6. 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
  7. 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
  8. 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
  9. PAS-1240 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 1722840, 172877 & R173316

    Fits the Pentair / Pac Fab Seahorse 75; 300 (4 required) and Sea Horse FSH-300 Learn More
    $71.87 Retail Price:  $84.95

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