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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.

980 Products found

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  1. Frigidaire PurePour PWF-1 FPPWFU01 Refrigerator Water Filter

    Frigidaire PurePour PWF-1 FPPWFU01 Refrigerator Water Filter

    Price $68.99 List Price Price $98.99 Save 30%
  2. PAULTRA2

    PAULTRA2

    Price $21.99 List Price Price $30.99 Save 29%
  3. Tier1 PWF-ZR-1 Zerowater ZR-001 Comparable Replacement Pitcher Filter

    Tier1 PWF-ZR-1 Zerowater ZR-001 Comparable Replacement Pitcher Filter

    Price $28.99 List Price Price $40.99 Save 29%
  4. Hydrologic ChloraShield Evolution Replaceable Upgraded Reverse Osmosis Filter

    Hydrologic ChloraShield Evolution Replaceable Upgraded Reverse Osmosis Filter

    Price $53.99 List Price Price $76.99 Save 29%
  5. CLRO-10 Clairify GAC Post Reverse Osmosis Filter (Front View)

    Clairify CLRO-10 GAC Post Reverse Osmosis Filter

    Price $54.99 List Price Price $78.99 Save 30%
  6. Pioneer Whole House Lead Reduction Filter

    Whole House Pioneer Lead Reduction Replacement Filter

    Price $513.37 List Price Price $732.99 Save 29%
    Free Shipping
  7. GE XWF Replacement Refrigerator Water Filter

    GE XWF Replacement Refrigerator Water Filter

    Price $66.99 List Price Price $95.99 Save 30%
  8. WF425 Main

    Aqua-Fresh WF425 Refrigerator Water Filter Replacement for WF3CB

    Price $27.29 List Price Price $32.75 Save 16%
  9. WF1010 Reverse Osmosis In-line Alkaline Filter by Tier1

    WF1010 Reverse Osmosis In-line Alkaline Filter by Tier1

    Price $22.99 List Price Price $32.99 Save 30%
  10. Iron and Lead Reducing Tier1 Whole House Replacement Water Filter

    Tier1 Iron and Lead Reducing Replacement Water Filter

    Price $81.99 List Price Price $116.99 Save 29%
  11. Iron and Manganese Reducing Tier1 Replacement Water Filter

    Tier1 Iron and Manganese Reducing Replacement Water Filter

    Price $57.99 List Price Price $82.99 Save 30%
  12. Tier1 10 Micron Carbon and Anti-scale Water Softening Replacement Cartridge

    Tier1 10 Micron Carbon and Anti-scale Water Softening Replacement Cartridge

    Price $36.99 List Price Price $52.99 Save 30%

980 Products found

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Shopping Options
Category
  1. Point of Entry Replacement Filters 194 item
  2. Point of Use Replacement Filters 170 item
  3. Drinking Water Replacement Filters 69 item
  4. Commercial Grade Filters 36 item
  5. Household Filtration 362 item
  6. Specialty Replacement Filters 176 item
Brand
  1. 3M 5 item
  2. American Plumber 3 item
  3. Aprilaire 17 item
  4. Aqua Flo 1 item
  5. Aqua Fresh 1 item
  6. Aquapatrol 1 item
  7. Aqua-Pure 7 item
  8. Aries 1 item
  9. Bosch 1 item
  10. Brondell 1 item
  11. Clairify 1 item
  12. Culligan 14 item
  13. DishFish 1 item
  14. Doulton 11 item
  15. DuPont 2 item
  16. Electrolux 4 item
  17. Everpure 15 item
  18. EveryDrop 6 item
  19. Filtrete 102 item
  20. Frigidaire 11 item
  21. GE 9 item
  22. Halsey Taylor 1 item
  23. Harmsco 8 item
  24. Home Revolution 2 item
  25. Honeywell 4 item
  26. Hydrologic 9 item
  27. Hydronix 29 item
  28. Hytrex 5 item
  29. Inline Water Filters 2 item
  30. Insinkerator 1 item
  31. Katadyn 2 item
  32. KX Matrikx 3 item
  33. LG 5 item
  34. Liebherr 1 item
  35. Liquatec 1 item
  36. Manitowoc 3 item
  37. Maytag 1 item
  38. OmniFilter 3 item
  39. Omnipure 46 item
  40. Pentek 203 item
  41. Pioneer 1 item
  42. Purolite 1 item
  43. Purtrex 6 item
  44. Rainshow'r 2 item
  45. Samsung 4 item
  46. Sprite 4 item
  47. Sub-Zero 2 item
  48. Supco 1 item
  49. Tier1 371 item
  50. Tier1 Plus 8 item
  51. Viqua 14 item
  52. Viking 2 item
  53. Watts 6 item
  54. Whirlpool 8 item
  55. ZeroWater 3 item
Primary Filter Media
  1. Activated Carbon Block 138 item
  2. Activated Carbon w Ion Exchange Resin 1 item
  3. Carbon Block 6 item
  4. Carbon Wrapped 13 item
  5. Carbon-Impregnated Fabric 5 item
  6. Ceramic with Carbon 3 item
  7. Charcoal 1 item
  8. Granular Activated Carbon 79 item
  9. Hexametaphosphate Crystals 1 item
  10. Ion Exchange Resin 6 item
  11. Nylon Monofilament 38 item
  12. Nylon Monofilament Mesh 3 item
  13. Permanganate Treated Zeolite 1 item
  14. Phosphate Crystal 1 item
  15. Pleated Cellulose 5 item
  16. Pleated Cellulose Polyester 1 item
  17. Pleated Fabric 313 item
  18. Pleated Polyester 29 item
  19. Polyester 26 item
  20. Polypropylene 138 item
  21. Scale Reduction media 2 item
  22. Semi-Permeable Membrane 4 item
  23. Sintered Ceramic 1 item
Price
  1. $0.00 - $999.99 980 item
  2. $1,000.00 and above 3 item
Fitting Type
  1. Compression 3 item
  2. FNPT 6 item
  3. FPT 10 item
  4. NPT 11 item
  5. Push In 4 item
  6. Quick-Change 4 item
  7. Quick Connect 35 item
Fitting Size (inches)
  1. 1/8 inch 1 item
  2. 1/4 inch 52 item
  3. 3/8 inch 12 item
  4. 3/4 inch 1 item
Advertised Size (in)
  1. 1-5/8 x 2 1 item
  2. 27 x 24 x 5 1 item
  3. 30 x 28 x 4-1/4 1 item
  4. 5 x 2-1/2 9 item
  5. 6 x 3 1 item
  6. 7 x 2 1 item
  7. 8 x 2-1/2 1 item
  8. 9-3/4 x 2-1/2 1 item
  9. 10 x 2 6 item
  10. 10 x 2-1/2 44 item
  11. 10 x 3-1/2 1 item
  12. 10 x 4-1/2 32 item
  13. 10 x 5 2 item
  14. 10 x 6 1/2 x 1 3/4 1 item
  15. 10-1/4 x 2-1/2 2 item
  16. 10-5/16 x 2-1/8 1 item
  17. 10-3/4 x 2-3/4 1 item
  18. 12 x 2-1/2 3 item
  19. 12 x 3-1/2 1 item
  20. 12-3/4 x 3 1 item
  21. 14 x 3-1/2 1 item
  22. 14-1/2 x 5 1 item
  23. 15 x 3-1/2 2 item
  24. 18-1/4 x 7-1/4 1 item
  25. 19-1/2 x 7-3/4 1 item
  26. 20 x 2-1/2 24 item
  27. 20 x 4-1/2 92 item
  28. 25-1/16 x 4-1/2 1 item
  29. 30 x 2-1/2 8 item
  30. 31-3/4 x 7-1/4 1 item
  31. 40 x 2-1/2 5 item
  32. 10 x 10 x 1 2 item
  33. 10 x 14 x 1 2 item
  34. 10 x 16 x 1 3 item
  35. 10 x 18 x 1 1 item
  36. 10 x 20 x 1 5 item
  37. 10 x 20 x 2 1 item
  38. 10 x 24 x 1 3 item
  39. 10-1/10 x 8-3/10 x 2-4/5 1 item
  40. 11-3/4 x 21-2/5 x 1 2 item
  41. 12 x 12 x 1 4 item
  42. 12 x 12 x 2 2 item
  43. 12 x 16 x 1 1 item
  44. 12 x 16 x 4 1 item
  45. 12 x 18 x 1 2 item
  46. 12 x 20 x 1 4 item
  47. 12 x 20 x 4 2 item
  48. 12 x 24 x 1 2 item
  49. 12 x 24 x 4 1 item
  50. 12 x 30 x 1 2 item
  51. 12 x 36 x 1 1 item
  52. 13 x 21-1/2 x 1 1 item
  53. 14 x 14 x 1 4 item
  54. 14 x 16 x 1 1 item
  55. 14 x 18 x 1 2 item
  56. 14 x 20 x 1 6 item
  57. 14 x 20 x 2 2 item
  58. 14 x 20 x 4 2 item
  59. 14 x 22 x 1 2 item
  60. 14 x 24 x 1 4 item
  61. 14 x 25 x 1 7 item
  62. 14 x 25 x 2 1 item
  63. 14 x 25 x 4 2 item
  64. 14 x 30 x 1 5 item
  65. 14 x 36 x 1 3 item
  66. 15 x 9 x 1 3 item
  67. 15 x 20 x 1 3 item
  68. 16 x 16 x 1 4 item
  69. 16 x 16 x 2 2 item
  70. 16 x 18 x 1 2 item
  71. 16 x 18 x 4 1 item
  72. 16 x 20 x 1 5 item
  73. 16 x 20 x 2 2 item
  74. 16 x 20 x 4 3 item
  75. 16 x 21 x 1 1 item
  76. 16 x 22 x 1 1 item
  77. 16 x 22 x 2 1 item
  78. 16 x 22 x 4 2 item
  79. 16 x 24 x 1 5 item
  80. 16 x 24 x 2 1 item
  81. 16 x 24 x 4 2 item
  82. 16 x 25 x 1 5 item
  83. 16 x 25 x 2 1 item
  84. 16 x 25 x 4 5 item
  85. 16 x 25 x 5 2 item
  86. 16 x 27 x 6 6 item
  87. 16 x 28 x 4 1 item
  88. 16 x 30 x 1 4 item
  89. 16 x 36 x 1 1 item
  90. 16-3/8 x 21-1/2 x 1 2 item
  91. 17 x 22 x 1 3 item
  92. 17 x 27-1/4 x 6-1/4 1 item
  93. 17-1/2 x 23-1/2 x 1 3 item
  94. 18 x 18 x 1 5 item
  95. 18 x 18 x 2 2 item
  96. 18 x 20 x 1 1 item
  97. 18 x 20 x 2 1 item
  98. 18 x 22 x 1 3 item
  99. 18 x 24 x 1 5 item
  100. 18 x 24 x 2 2 item
  101. 18 x 24 x 4 1 item
  102. 18 x 25 x 1 1 item
  103. 18 x 28 x 4-1/4 2 item
  104. 18 x 30 x 1 3 item
  105. 18 x 36 x 1 2 item
  106. 18 x 36 x 4 1 item
  107. 20 x 20 x 1 6 item
  108. 20 x 20 x 2 2 item
  109. 20 x 20 x 4 5 item
  110. 20 x 20 x 5 1 item
  111. 20 x 21 x 1 2 item
  112. 20 x 21 x 4 2 item
  113. 20 x 22 x 1 1 item
  114. 20 x 22 x 4 2 item
  115. 20 x 22-1/4 x 1 1 item
  116. 20 x 23 x 1 2 item
  117. 20 x 23 x 4 2 item
  118. 20 x 24 x 1 3 item
  119. 20 x 24 x 2 1 item
  120. 20 x 24 x 4 3 item
  121. 20 x 24-1/4 x 6 1 item
  122. 20 x 25 x 1 7 item
  123. 20 x 25 x 2 2 item
  124. 20 x 25 x 4 7 item
  125. 20 x 30 x 1 6 item
  126. 20 x 30 x 4 3 item
  127. 20 x 32 x 1 2 item
  128. 20 x 36 x 1 1 item
  129. 21 x 21 x 1 2 item
  130. 21 x 23 x 1 2 item
  131. 21 x 26 x 4-1/4 6 item
  132. 21-1/2 x 21-1/2 x 1 1 item
  133. 21-1/2 x 23-1/2 x 1 2 item
  134. 22 x 22 x 1 4 item
  135. 22 x 24 x 1 4 item
  136. 22 x 24 x 4 2 item
  137. 23-1/2 x 23-1/2 x 1 2 item
  138. 24 x 24 x 1 4 item
  139. 24 x 24 x 2 1 item
  140. 24 x 24 x 4 3 item
  141. 24 x 25 x 4 2 item
  142. 24 x 30 x 1 2 item
  143. 24 x 30 x 4 1 item
  144. 25 x 25 x 1 1 item
Micron Rating (Nominal)
  1. 0⋅00001 1 item
  2. 0⋅1 1 item
  3. 0⋅3 1 item
  4. 0.5 79 item
  5. 1 49 item
  6. 3 1 item
  7. 5 113 item
  8. 10 27 item
  9. 20 29 item
  10. 25 31 item
  11. 30 14 item
  12. 50 16 item
  13. 75 1 item
  14. 100 7 item
  15. 200 1 item
  16. 250 1 item
  17. 400 2 item
  18. 600 1 item
  19. 800 1 item
Filter Diameter (inches)
  1. 5 - 6 10 item
  2. 6 - 7 10 item
  3. 7 - 8 4 item
  4. 8 - 9 10 item
  5. 9 and up 6 item
Filter Length (inches)
  1. 6 - 9 4 item
  2. 9 - 12 7 item
  3. 12 - 15 4 item
  4. 15 - 18 5 item
  5. 18 - 21 4 item
  6. 21 - 24 8 item
  7. 24 - 27 4 item
  8. 27 - 30 3 item
  9. 30 and up 1 item
Pool/Spa Manufacturer
  1. Tier1 41 item
MERV Rating
  1. MERV:7 18 item
  2. MERV:8 72 item
  3. MERV:10 3 item
  4. MERV:11 108 item
  5. MERV:12 17 item
  6. MERV:13 51 item
  7. MERV:15 6 item
Filter Life (months)
  1. 1 month 5 item
  2. 2 months 19 item
  3. 3 months 338 item
  4. 4 months 1 item
  5. 5 months 1 item
  6. 6 months 320 item
  7. 9 months 4 item
  8. 12 months 104 item
  9. 18 months 248 item
  10. 24 months 6 item
  11. 36 months 2 item
  12. 120 months 1 item
Filter Life (gallons)
  1. 0 - 100 9 item
  2. 100 - 250 25 item
  3. 250 - 500 52 item
  4. 500 - 1,000 34 item
  5. 1,000 - 2,500 60 item
  6. 2,500 - 5,000 28 item
  7. 5,000 - 10,000 21 item
  8. 10,000 - 25,000 30 item
  9. 25,000 - 50,000 14 item
  10. 50,000 and up 10 item