Replacement Filters

Replacement water filters are essential for anyone who currently owns a water filtration system.

Our replacement water filters are sold separately and can be implemented into an existing water filter system. Waterfilters.net has a comprehensive selection of water filter replacements. Some of the most commonly used replacements include drinking water filters, point of entry filters, point of use filters and whole house replacement water filters. Replacement water filters work with your filtration system to help eliminate bacteria, molds, viruses, algae and other microorganisms in your water source.

Choose the type of replacement water filter you are looking for below. If you cannot find the type of replacement filter you are looking for, please contact our customer service department.

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  1. Tier1 20 x 25 x 1 MERV 8 - 6 Pack Air Filters (P85S-612025)

    Price $62.99 List Price Price $89.99 Save 30%
  2. Tier1 20 x 25 x 1 MERV 11 - 6 Pack Air Filters (P15S-612025)

    Price $70.99 List Price Price $100.99 Save 29%
  3. 3M Filtrete 2003DC-6 Ultra Allergen Reduction Filters (6 Pack)

    Price $143.99 List Price Price $205.99 Save 30%
    Free Shipping
  4. 20x25x1 3M Filtrete Ultimate Allergen Filter (6-Pack)

    Price $163.79 List Price Price $233.99 Save 30%
    Free Shipping
  5. 3M Filtrete 9803DC-6 Micro Allergen Reduction Filters

    Price $178.14 List Price Price $281.94 Save 36%
    Free Shipping
  6. 20x25x1 3M Filtrete Elite Allergen Filter (6-Pack)

    Price $181.89 List Price Price $227.99 Save 20%
    Free Shipping
  7. 3M Filtrete 9833DC-6 Dust and Pollen Reduction Air Filters 20x25x1 (6 Pack)

    Price $129.54 List Price Price $203.94 Save 36%
    Free Shipping
  8. 3M Filtrete AA03DC-6 Advanced Allergen Reduction Filters (6-Pack)

    Price $160.99 List Price Price $229.99 Save 30%
    Free Shipping

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