Replacement Water Filter Cartridges

Aqua Science carries replacement water filters for whole home filtration ans well as replacement filters for Reverse Osmosis / Ultrafiltration drinking water systems. There are many popular types and sizes including string wound (in both regular polypropylene & anti-microbial), granulated activated carbon, pleated polyester and more!

We offer discounts on these filters when you order multiples. So be sure to save!

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88 Items

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  1. ULTRA D SUBMICRON DEPTH FILTER - 10" Standard
    $53.00
    *Shipping Included!*
  2. ULTRA D SUBMICRON DEPTH FILTER - 10" BB
    $94.00
    *Shipping Included!*
  3. ULTRA D SUBMICRON DEPTH FILTER - 20" BB
    $164.00
    *Shipping Included!*
  4. Polypropylene String Wound Sediment Cartridge, 1 Micron, for 10" Big Blue & Clear Housings
    $11.45
  5. Polypropylene String Wound Sediment Cartridge, 5 Micron, for 10" Big Blue & Clear Housings
    $11.45
  6. Polypropylene String Wound Sediment Cartridge, 20 Micron, for 10" Big Blue & Clear Housings
    $11.45
  7. 20 Count, Polypropylene String Wound Sediment Cartridge, 5 Micron, for 10" Big Blue & Clear Housings ($8.59 each) Case Qty
    $171.80
  8. 40 Count, Polypropylene String Wound Sediment Cartridge, 5 Micron, for 10" Big Blue & Clear Housings ($8 each) Case Qty
    $320.00
  9. Polypropylene String Wound Sediment Cartridge, 30 Micron, for 10" Big Blue & Clear Housings
    $11.45
  10. Polypropylene String Wound Sediment Cartridge, 1 Micron, for 20" Big Blue & Clear Housings
    $19.60
  11. Polypropylene String Wound Sediment Cartridge, 5 Micron, for 20" Big Blue & Clear Housings
    $19.60
  12. 20 Count Polypropylene String Wound Sediment Cartridge, 5 Micron, for 20" Big Blue & Clear Housings ($14.90 Each) Case Qty.
    $297.92
  13. Polypropylene String Wound Sediment Cartridge, 20 Micron, for 20" Big Blue & Clear Housings
    $19.60
  14. Anti-Microbial Polypropylene String Wound Sediment Cartridge, 5 Micron, for 10" x 2.5" Big Blue & Clear Housings
    $7.35
  15. Anti-Microbial Polypropylene String Wound Sediment Cartridge, 5 Micron, for 10" Big Blue & Clear Housings
    $16.70
  16. Anti-Microbial Polypropylene String Wound Sediment Cartridge, 5 Micron, for 20" Big Blue & Clear Housings
    $31.45
  17. 10" Polypropylene String Wound Sediment Cartridge, 1 Micron
    $4.15
  18. 10" Standard Polypropylene String Wound Sediment Filter, 5 Micron 2.5"x10"
    $4.15
  19. 10" Polypropylene String Wound Sediment Cartridge, 20 Micron
    $4.15
  20. 20" Polypropylene String Wound Sediment Cartridge, 1 Micron
    $8.45
  21. 20" Polypropylene String Wound Sediment Cartridge, 5 Micron
    $8.45
  22. Polypropylene String Wound Sediment Cartridge, 30 Micron 2.5x20
    $13.00
  23. R Series, R30, Pleated Polyester Cartridge
    $9.95
  24. R Series, R30-BB, Pleated Polyester Cartridge
    $18.35
  25. R Series, R30-20, Pleated Polyester Cartridge
    $15.45
  26. R Series, R30-20BB, Pleated Polyester Cartridge
    $36.65
  27. Pentek, GAC-10, Granular Activated Carbon Cartridge
    $16.65
  28. Pentek, GAC-BB, Granular Activated Carbon Cartridge
    $30.00
  29. Pentek, GAC-20, Granular Activated Carbon Cartridge
    $25.00
  30. Pentek, GAC-20BB, Granular Activated Carbon Cartridge
    $70.00
  31. C Series, C1, Dual Purpose Powdered-Activated Carbon Cartridge
    $6.25
  32. Pentek CC-10 Coconut shell carbon
    $23.00
  33. Pentair UV System Carbon Block Filter Cartridge CBU-10
    $36.00
  34. Aqua Flo Carbon Block Filter 2.5x10 .5 micron
    $6.99
  35. Aqua Flo, Platinum CB20X, 10 Micron, Carbon Block Filter
    $43.20
  36. Aqua Flow 10 Micron Carbon Block Filter for UVBB
    $79.00
  37. Ceramic Cartridge, CRE-1, 1 Micron
    $41.99
  38. Pentek 10" Radial Flow Granular Activated Carbon Filter Cartridge
    $44.00
  39. Pentek 20" Radial Flow Granular Activated Carbon Filter Cartridge
    $84.60
  40. Pentek, RFFE10-BB, Radial Flow Iron Reduction Cartridge
    $77.25
  41. Pentek, RFFE20-BB, Radial Flow Iron Reduction Cartridge
    $119.00
  42. Pentek, PCC-1, PCC Series, Hexametaphosphate Crystal Cartridge
    $71.00
  43. Filter Wrench for 10" Big Blue Filter Housings
    $5.25
  44. Poly Guard Crystal Cartridge(#10) PCC1
    $46.99
  45. Filter Wrench for 20" Big Blue Filter Housings
    $5.25
  46. Filter Wrench for Standard Valve-in-Head Filter Housings
    $5.50
  47. Filter Wrench for 10" Big Clear Filter Housings
    $6.00
  48. Superb Wrench Zinc-Plated Steel Water Filter Wrench for most standard 10" x 2.5" housings
    $23.99
  49. Superb Wrench Zinc-Plated Steel Water Filter Wrench for 10 in. Big Blue Housing
    $23.99
  50. Superb Wrench Zinc-Plated Steel Water Filter Wrench for 20 in. Big Blue Housing
    $23.99
  51. Superb Wrench Zinc-Plated Steel Water Filter Wrench for Big Clear and Big White Housings
    $23.99
  52. Superb Wrench Zinc-Plated Steel Water Filter Wrench for most standard 4.6" housings
    $23.99
  53. O-ring Replacement for Standard Filter Housings
    $4.75
  54. Pura Big Boy O-ring Replacement for Pura UV-BB Filter Housings
    $5.45
  55. O-ring Replacement for Big Clear Filter Housings
    $6.00
  56. O-ring Replacement for Big Blue Filter Housings
    $7.25
  57. Steel Mounting Bracket for Big Blue Housings, Includes Mounting Screws - Zinc Coated
    $20.00
  58. 3/4" HOLDRITE Quick Flex Water Connector 15"
    $9.80
  59. 3/4" HOLDRITE Quick Flex Water Connector 18"
    $10.00
  60. 3/4" HOLDRITE Quick Flex Water Connector 24"
    $13.00
  61. 3/4" Aqua Flex Install Kit for Water Filtration Components
    $31.00
  62. 1" x 3/4" HOLDRITE Quick Flex Water Connector 18"
    $14.50
  63. 1" x 3/4" HOLDRITE Quick Flex Water Connector 24"
    $18.50
  64. 1" HOLDRITE Quick Flex Water Connector 18"
    $16.50
  65. 1" HOLDRITE Quick Flex Water Connector 24"
    $19.50
  66. 1" Aqua Flex Install Kit for Water Filtration Components
    $48.00
  67. 1-1/4" HOLDRITE Quick Flex Water Connector 18"
    $20.50
  68. 3/4" John Guest PEX Speedfit Male Connector
    $6.00
  69. 1" John Guest PEX Speedfit Male Connector
    $10.50
  70. Silicone Grease (Lubricant) (4oz)
    $16.84
  71. Hydrotech, String Wound, Depth-Gradient, Pre-Sediment Filter
    $9.99
  72. Hydrotech, Reverse Osmosis Carbon Filter
    $16.00
  73. Hydrotech, 9 GPD, TFC, Reverse Osmosis Membrane (Yellow/Red Band)
    $59.99
  74. Hydrotech, 25 GPD, TFC, Reverse Osmosis Membrane (Black Band)
    $69.99
  75. Hydrotech, 50 GPD, TFC, Reverse Osmosis Membrane (Yellow/White Band)
    $69.99
  76. Hydrotech, 75 GPD, TFC, Reverse Osmosis Membrane (Yellow/Black Band)
    $79.99
  77. Aqua Flo, Sediment Filter
    was $24.66 Special Price $13.30
  78. Aqua Flo, 5 Micron, Carbon Block Filter
    was $29.67 Special Price $16.99
  79. Aqua Flo, Filters set, One Sediment Filter & Two 5 Micron Carbon Block
    was $85.05 Special Price $42.99
  80. Aqua Flo, Annual Filters Replacement kit
    was $138.39 Special Price $73.00
  81. Aqua Flo, pH Booster Filter Cartridge
    was $58.46 Special Price $34.99
  82. Aqua Flo, UF (Hollow Fiber) Membrane
    was $58.42 Special Price $45.99
  83. Aqua Flo, 50 GPD, RO (Reverse Osmosis) Membrane
    was $89.92 Special Price $59.99
  84. Aqua Flo, 75 GPD, RO (Reverse Osmosis) Membrane
    was $92.80 Special Price $65.00
  85. Microline Clack, 5 Micron, String Wound, Pre-Sediment Filter
    $5.25
  86. Microline Clack, Granular Activated Carbon Water Filter
    $11.25
  87. Microline Clack, 14 GPD, TFC-14, Reverse Osmosis Membrane
    $59.99
  88. Microline Clack, 50GPD, TFC-50 Reverse Osmosis Membrane
    $73.95
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88 Items

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