Call Toll-Free: 1-800-277-3458

My Cart:

0 item(s)
You have no items in your shopping cart.

Free Shipping over $39

When we protect your filter purchase with our No Worries Guarantee, we mean it!

No Worries...
  • Your filters are guaranteed to be the right fit!
  • Our products are price match guaranteed!
  • Our customer service team is guaranteed to answer your call!
  • You’re guaranteed to find expert help!

Learn more about our No Worries Guarantee

Water Filters & Air Filters by Tier1

13 Item(s)

Grid  List 

Set Descending Direction
  1. PAS-1580 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31115

    Fits the Watkins Hot Spring Spas 45 Learn More
    (Retail Price: $36.58 ) $29.81
  2. PAS-1581 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31489

    Fits systems that use 5 7/8-inch diameter by 10 1/2-inch length filters Learn More
    (Retail Price: $28.66 ) $22.92
  3. PAS-1582 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31489 (Upgraded 4oz media)

    Fits systems that use 5 7/8-inch diameter by 10 1/2-inch length filters Learn More
    (Retail Price: $34.60 ) $28.09
  4. PAS-1584 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31233

    Fits the Watkins Hot Spring Spas FH/IH 220V Models Learn More
    (Retail Price: $37.54 ) $30.64
  5. PAS-1585 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31250

    Fits the Watkins Hot Spring Spas 33 Learn More
    (Retail Price: $36.87 ) $30.06
  6. PAS-1586 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31115

    Fits systems that use 6 3/8-inch diameter by 11 15/16-inch length filters Learn More
    (Retail Price: $43.34 ) $35.69
  7. PAS-1587 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31114

    Fits systems that use 8 1/2-inch diameter by 10 9/16-inch length filters Learn More
    (Retail Price: $58.10 ) $48.52
  8. PAS-1588 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31114 (Antimicrobial)

    Fits systems that use 8 1/2-inch diameter by 10 9/16-inch length filters Learn More
    (Retail Price: $60.88 ) $50.94
  9. PAS-1589 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 8 1/2-inch diameter by 12 5/16-inch length filters

    Fits the Watkins Hot Spring Spas Model P 1986 Learn More
    (Retail Price: $74.93 ) $63.16
  10. PAS-1590 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 8 1/2-inch diameter by 10 9/16-inch length filters

    Fits the Watkins Hot Spring Spas Grande Learn More
    (Retail Price: $63.84 ) $53.51
  11. PAS-1591 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement filter for systems that use 8 1/2-inch diameter by 11 7/8-inch length filters

    Fits systems that use 8 1/2-inch diameter by 11 7/8-inch length filters Learn More
    (Retail Price: $62.64 ) $52.47
  12. PAS-1592 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31114 (Upgraded media)

    Fits systems that use 8 1/2-inch diameter by 10 1/2-inch length filters Learn More
    (Retail Price: $60.94 ) $50.99
  13. PAS-1593 Tier1 Replacement Pool and Spa Filter

    Tier1 brand replacement for 31114 (Antimicrobial with upgraded media)

    Fits systems that use 8 1/2-inch diameter by 10 1/2-inch length filters Learn More
    (Retail Price: $73.12 ) $61.58

13 Item(s)

Grid  List 

Set Descending Direction
Scroll To Top