• Sign In
  • Create an Account
Toggle Nav
My Cart
Search
Advanced Search
  • Compare Products
Menu
Account

Specialty RO Filters

Specialty RO Filters

Handcrafted Specialty Filters for Reverse Osmosis Water Filtration Systems

View as Grid List

71 Items

per page
Set Descending Direction
  1. 2.5" x 10" Refillable Filter - Catalytic Carbon for Chloramine and Chlorine Removal + KDF 85 for Iron, Sulfur, Rotten Egg Smell Reduction
    2.5" x 10" Refillable Filter - Catalytic Carbon for Chloramine and Chlorine Removal + KDF 85 for Iron, Sulfur, Rotten Egg Smell Reduction
    Special Price $37.99 Regular Price $44.99
    Add to Wish List Add to Compare
  2. 2.5" x 10" Refillable Inline Filter - Birm - for Iron and Manganese Reduction
    2.5" x 10" Refillable Inline Filter - Birm - for Iron and Manganese Reduction
    Special Price $33.99 Regular Price $39.99
    Add to Wish List Add to Compare
  3. 2.5" x 10" Well Water Filter Set - Catalytic Carbon/KDF85 & Birm - for Iron, Sulfur, Rotten Egg Smell Reduction
    2.5" x 10" Well Water Filter Set - Catalytic Carbon/KDF85 & Birm - for Iron, Sulfur, Rotten Egg Smell Reduction
    Special Price $59.99 Regular Price $69.99
    Add to Wish List Add to Compare
  4. 3 Stage - Alkaline/KDF/Carbon Mineral RO Drinking Water Filter Cartridge | 2"x10" | 1/4" FPNT
    3 Stage - Alkaline/KDF/Carbon Mineral RO Drinking Water Filter Cartridge | 2"x10" | 1/4" FPNT
    Special Price $27.75 Regular Price $29.99
    Add to Wish List Add to Compare
  5. 6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2"x 10"
    6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2"x 10"
    Rating:
    100%
    7 Reviews
    Special Price $43.99 Regular Price $47.99
    Add to Wish List Add to Compare
  6. 6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2"x 10" - Replacement
    6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2"x 10" - Replacement
    Special Price $39.99 Regular Price $43.99
    Add to Wish List Add to Compare
  7. 6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2.5"x 12"
    6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2.5"x 12"
    Rating:
    100%
    2 Reviews
    Special Price $68.99 Regular Price $75.99
    Add to Wish List Add to Compare
  8. 6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2.5"x 12" - Replacement
    6 Stage- Inline Alkaline | KDF | Mineral pH Balancing Drinking Water Filter | 2.5"x 12" - Replacement
    Special Price $65.99 Regular Price $72.99
    Add to Wish List Add to Compare
  9. Activated Alumina: Arsenic Removal Water Filter for Drinking Water Filtration Systems
    Activated Alumina: Arsenic Removal Water Filter for Drinking Water Filtration Systems
    Special Price $34.99 Regular Price $39.99
    Add to Wish List Add to Compare
  10. Activated Alumina: Fluoride Removal Water Filter for Drinking Water Filtration Systems
    Activated Alumina: Fluoride Removal Water Filter for Drinking Water Filtration Systems
    Special Price $34.99 Regular Price $39.99
    Add to Wish List Add to Compare
  11. Activated Alumina: Fluoride Removal Water Inline Filter for Drinking Water Filtration Systems
    Activated Alumina: Fluoride Removal Water Inline Filter for Drinking Water Filtration Systems
    $32.00
    Add to Wish List Add to Compare
  12. Add-ON Filter Kit: 2 Elbow Fittings, 2 Clips and Tubing
    Add-ON Filter Kit: 2 Elbow Fittings, 2 Clips and Tubing
    Special Price $12.99 Regular Price $15.99
    Add to Wish List Add to Compare
  13. ADD-ON TO ANY FILTER SET: Resintech MBD-30 Color Changing - Indicating DI Resin (Deionizing) - 1.25 Pounds
    ADD-ON TO ANY FILTER SET: Resintech MBD-30 Color Changing - Indicating DI Resin (Deionizing) - 1.25 Pounds
    $14.99
    Add to Wish List Add to Compare
  14. Alkaline Filter Cartridge (2.5" x 9.75") - for Countertop and Under Sink Filtration | KDF 55, Carbon, Mineral Alkaline Ceramic Balls
    Alkaline Filter Cartridge (2.5" x 9.75") - for Countertop and Under Sink Filtration | KDF 55, Carbon, Mineral Alkaline Ceramic Balls
    $37.99
    Add to Wish List Add to Compare
  15. Anti-Scale Filter Cartridge for Standard 10" Filter Housing | 2.5" x 9.75" Slow Phos + GAC/KDF
    Anti-Scale Filter Cartridge for Standard 10" Filter Housing | 2.5" x 9.75" Slow Phos + GAC/KDF
    Special Price $47.99 Regular Price $53.99
    Add to Wish List Add to Compare
  16. Arsenic + Fluoride Removing Water Filter | 2.5" x 9.75" Activated Alumina + GAC
    Arsenic + Fluoride Removing Water Filter | 2.5" x 9.75" Activated Alumina + GAC
    Special Price $36.99 Regular Price $43.99
    Add to Wish List Add to Compare
  17. Arsenic/Fluoride/Chlorine Removing 6-Stage Water Filter | 2.5" x 9.75"
    Arsenic/Fluoride/Chlorine Removing 6-Stage Water Filter | 2.5" x 9.75"
    Special Price $37.99 Regular Price $44.99
    Add to Wish List Add to Compare
  18. Black 1/4" Polyethylene RO Tubing
    Black 1/4" Polyethylene RO Tubing
    $2.99
    Add to Wish List Add to Compare
  19. Blue 1/4" Polyethylene RO Tubing
    Blue 1/4" Polyethylene RO Tubing
    $2.99
    Add to Wish List Add to Compare
  20. Carbon Block & KDF 55 + GAC (2.5" x 9.75") Chlorine, Heavy Metal Filters- for 10" Countertop and Under Sink RO Filtration
    Carbon Block & KDF 55 + GAC (2.5" x 9.75") Chlorine, Heavy Metal Filters- for 10" Countertop and Under Sink RO Filtration
    Special Price $36.99 Regular Price $42.99
    Add to Wish List Add to Compare
  21. Catalytic Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Catalytic Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Special Price $29.99 Regular Price $34.99
    Add to Wish List Add to Compare
  22. Catalytic Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" XL | 1/4" FPNT
    Catalytic Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" XL | 1/4" FPNT
    Special Price $52.99 Regular Price $59.99
    Add to Wish List Add to Compare
  23. Catalytic Carbon Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Catalytic Carbon Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Special Price $26.99 Regular Price $33.99
    Add to Wish List Add to Compare
  24. Catalytic Carbon Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" XL | 1/4" FPNT
    Catalytic Carbon Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" XL | 1/4" FPNT
    Special Price $41.99 Regular Price $51.99
    Add to Wish List Add to Compare
  25. Coconut Shell Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Coconut Shell Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2"x10" | 1/4" FPNT
    Special Price $26.99 Regular Price $32.99
    Add to Wish List Add to Compare
  26. Coconut Shell Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" | 1/4" FPNT
    Coconut Shell Carbon + KDF 55 Drinking Water Inline Filter for Reverse Osmosis Systems | 2.5"x12" | 1/4" FPNT
    $46.99
    Add to Wish List Add to Compare
  27. Compatible Replacement Filter Set for Hydrologic Stealth RO Systems: HLKDF10 / 741646 / 22105 or 22125
    Compatible Replacement Filter Set for Hydrologic Stealth RO Systems: HLKDF10 / 741646 / 22105 or 22125
    Special Price $47.99 Regular Price $54.99
    Add to Wish List Add to Compare
  28. Culligan RO Carbon Block Filter for Culligan AC-30 Reverse Osmosis Systems
    Culligan RO Carbon Block Filter for Culligan AC-30 Reverse Osmosis Systems
    $12.99
    Add to Wish List Add to Compare
  29. Culligan RO Filter Set + Membrane for Culligan AC-30 Reverse Osmosis Systems 10" Post Carbon
    Culligan RO Filter Set + Membrane for Culligan AC-30 Reverse Osmosis Systems 10" Post Carbon
    Special Price $39.99 Regular Price $47.00
    Add to Wish List Add to Compare
  30. Culligan RO Filter Set With Membrane for Culligan AC-30 Reverse Osmosis Systems
    Culligan RO Filter Set With Membrane for Culligan AC-30 Reverse Osmosis Systems
    Special Price $37.99 Regular Price $46.00
    Add to Wish List Add to Compare
  31. Culligan RO Inline Post Polishing Carbon Filter with 3/8" Quick Connections for Culligan AC-30 Reverse Osmosis Systems
    Culligan RO Inline Post Polishing Carbon Filter with 3/8" Quick Connections for Culligan AC-30 Reverse Osmosis Systems
    $9.99
    Add to Wish List Add to Compare
  32. Culligan RO Membrane for Culligan AC-30 Reverse Osmosis Systems
    Culligan RO Membrane for Culligan AC-30 Reverse Osmosis Systems
    Special Price $21.50 Regular Price $29.99
    Add to Wish List Add to Compare
  33. Culligan RO Replacement Filter Set With Membrane for Culligan AC-30 Reverse Osmosis System
    Culligan RO Replacement Filter Set With Membrane for Culligan AC-30 Reverse Osmosis System
    $35.00
    Add to Wish List Add to Compare
  34. Culligan RO Sediment Filter for Culligan AC-30 Reverse Osmosis Systems
    Culligan RO Sediment Filter for Culligan AC-30 Reverse Osmosis Systems
    $9.99
    Add to Wish List Add to Compare
  35. DUAL BIG/SMALL CLIP CLAMP to connect Membrane Housing and Post Filter 2.5" x 2" (Pack of 2)
    DUAL BIG/SMALL CLIP CLAMP to connect Membrane Housing and Post Filter 2.5" x 2" (Pack of 2)
    Special Price $6.49 Regular Price $8.00
    Add to Wish List Add to Compare
  36. Dual Carbon (GAC) & Slow Phos Filter Cartridge for RO & Whole House Systems | 2.5"x10"
    Dual Carbon (GAC) & Slow Phos Filter Cartridge for RO & Whole House Systems | 2.5"x10"
    Special Price $36.99 Regular Price $39.99
    Add to Wish List Add to Compare
  37. Dual Carbon (GAC) & Slow Phos Inline Filter Cartridge for RO Systems | 2"x10" | 1/4" FPNT
    Dual Carbon (GAC) & Slow Phos Inline Filter Cartridge for RO Systems | 2"x10" | 1/4" FPNT
    Special Price $26.99 Regular Price $29.99
    Add to Wish List Add to Compare
  38. Dual Post Carbon (GAC) & pH Alkaline Water Inline Filter Cartridge for RO Systems | 2"x10" | 1/4 FPNT
    Dual Post Carbon (GAC) & pH Alkaline Water Inline Filter Cartridge for RO Systems | 2"x10" | 1/4 FPNT
    $26.99
    Add to Wish List Add to Compare
  39. Dual Post Carbon (GAC) & pH Alkaline Water Inline Filter Cartridge for RO Systems | 2.5"x12" | 1/4 FPNT
    Dual Post Carbon (GAC) & pH Alkaline Water Inline Filter Cartridge for RO Systems | 2.5"x12" | 1/4 FPNT
    $38.99
    Add to Wish List Add to Compare
  40. DUAL SMALL/SMALL CLIP CLAMP to connect 2 Inline Filters Reverse Osmosis 2"x2" (Pack of 2)
    DUAL SMALL/SMALL CLIP CLAMP to connect 2 Inline Filters Reverse Osmosis 2"x2" (Pack of 2)
    Special Price $5.99 Regular Price $7.00
    Add to Wish List Add to Compare
  41. Dual Stage Filter: Sediment + GAC Coconut Granular Activated Carbon Filter 2.5" x 9.75"
    Dual Stage Filter: Sediment + GAC Coconut Granular Activated Carbon Filter 2.5" x 9.75"
    Special Price $17.49 Regular Price $19.99
    Add to Wish List Add to Compare
  42. Hydro Logic Stealth RO100 Compatible Three Filter Pack - 100 GPD RO Membrane, Carbon, Sediment Filter for Hydrologic Systems
    Hydro Logic Stealth RO100 Compatible Three Filter Pack - 100 GPD RO Membrane, Carbon, Sediment Filter for Hydrologic Systems
    Special Price $35.99 Regular Price $44.99
    Add to Wish List Add to Compare
  43. Hydro Logic Stealth RO150 Compatible Three Filter Pack - 150 GPD RO Membrane, Carbon, Sediment Filter for Hydrologic Systems
    Hydro Logic Stealth RO150 Compatible Three Filter Pack - 150 GPD RO Membrane, Carbon, Sediment Filter for Hydrologic Systems
    Special Price $59.99 Regular Price $69.99
    Add to Wish List Add to Compare
  44. Hydro Logic Stealth RO300 Compatible Three Filter Pack - (2) 150 GPD RO Membranes, Carbon, Sediment Filter for Hydrologic Systems
    Hydro Logic Stealth RO300 Compatible Three Filter Pack - (2) 150 GPD RO Membranes, Carbon, Sediment Filter for Hydrologic Systems
    Special Price $99.99 Regular Price $119.99
    Add to Wish List Add to Compare
  45. Hydro-Logic 22110 10-Inch by 2.5-Inch Stealth RO/Small Boy Carbon Filter Green Coconut Shell Carbon - 5 Micron | 2.5" x 10" Hydrologic
    Hydro-Logic 22110 10-Inch by 2.5-Inch Stealth RO/Small Boy Carbon Filter Green Coconut Shell Carbon - 5 Micron | 2.5" x 10" Hydrologic
    $19.99
    Out of stock
    Add to Wish List Add to Compare
  46. Hydro-logic HydrologicTM Stealth Compatible Membrane, 100 GPD
    Hydro-logic HydrologicTM Stealth Compatible Membrane, 100 GPD
    Special Price $32.99 Regular Price $39.99
    Add to Wish List Add to Compare
  47. Hydro-logic HydrologicTM Stealth Compatible Membrane, 150 GPD
    Hydro-logic HydrologicTM Stealth Compatible Membrane, 150 GPD
    Special Price $51.99 Regular Price $64.99
    Add to Wish List Add to Compare
  48. HydroLogic 10-Inch by 2.5-Inch Stealth-RO100/200 Compatible Cleanable Sediment Filter
    HydroLogic 10-Inch by 2.5-Inch Stealth-RO100/200 Compatible Cleanable Sediment Filter
    Special Price $14.99 Regular Price $19.99 As low as $12.50
    Add to Wish List Add to Compare
  49. HydroLogic Stealth-RO or smallBoy KDF/Catalytic Carbon Filter
    HydroLogic Stealth-RO or smallBoy KDF/Catalytic Carbon Filter
    Special Price $38.99 Regular Price $43.99
    Add to Wish List Add to Compare
  50. HydroLogic TALLBoy KDF85/Catalytic Carbon Compatible Filter
    HydroLogic TALLBoy KDF85/Catalytic Carbon Compatible Filter
    Special Price $64.99 Regular Price $71.99
    Add to Wish List Add to Compare
  51. KDF 55 + GAC (2.5" x 9.75") Chlorine, Heavy Metal Filter- for 10" Countertop and Under Sink RO Filtration
    KDF 55 + GAC (2.5" x 9.75") Chlorine, Heavy Metal Filter- for 10" Countertop and Under Sink RO Filtration
    Special Price $28.99 Regular Price $34.99
    Add to Wish List Add to Compare
  52. KDF 85 + GAC (2.5" x 9.75") Iron Filter- for 10" Countertop and Under Sink RO Filtration | HydroLogic HLKDF10 Replacement Carbon Filter Hydro-Logic
    KDF 85 + GAC (2.5" x 9.75") Iron Filter- for 10" Countertop and Under Sink RO Filtration | HydroLogic HLKDF10 Replacement Carbon Filter Hydro-Logic
    Special Price $29.99 Regular Price $34.99
    Add to Wish List Add to Compare
  53. Male Elbow 1/4" x 1/4" Fitting Connection Part for Water Filters/Reverse Osmosis RO Systems (Pack of 2)
    Male Elbow 1/4" x 1/4" Fitting Connection Part for Water Filters/Reverse Osmosis RO Systems (Pack of 2)
    $5.99
    Add to Wish List Add to Compare
  54. Male Straight 1/4" x 1/4" Fitting Connection Part for Water Filters/Reverse Osmosis RO Systems (Pack of 2)
    Male Straight 1/4" x 1/4" Fitting Connection Part for Water Filters/Reverse Osmosis RO Systems (Pack of 2)
    $5.99
    Add to Wish List Add to Compare
  55. Mixed Bed DI Resin Deionization Replacement Drop-in Cartridge Filter (2.5"x 10") - Color Changing MBD-30 DI
    Mixed Bed DI Resin Deionization Replacement Drop-in Cartridge Filter (2.5"x 10") - Color Changing MBD-30 DI
    $23.99
    Add to Wish List Add to Compare
  56. Mixed Bed DI Resin Deionization Replacement Inline Filter (2"x 10") - Color Changing MBD-30 DI Resin
    Mixed Bed DI Resin Deionization Replacement Inline Filter (2"x 10") - Color Changing MBD-30 DI Resin
    Special Price $20.99 Regular Price $25.99
    Add to Wish List Add to Compare
  57. Mixed Bed DI Resin Deionization Replacement XL Inline Filter (2.5"x 12") - Color Changing MBD-30
    Mixed Bed DI Resin Deionization Replacement XL Inline Filter (2.5"x 12") - Color Changing MBD-30
    $34.99
    Add to Wish List Add to Compare
  58. PACK OF 2: Membrane Housing Clips (2.5-Inch Diameter)
    PACK OF 2: Membrane Housing Clips (2.5-Inch Diameter)
    Special Price $8.99 Regular Price $10.99
    Add to Wish List Add to Compare
  59. pH Alkaline Mineral Drinking Water Filter Inline for Reverse Osmosis RO Systems | 2" x 10"
    pH Alkaline Mineral Drinking Water Filter Inline for Reverse Osmosis RO Systems | 2" x 10"
    Special Price $25.99 Regular Price $27.99
    Add to Wish List Add to Compare
  60. pH Alkaline Mineral Drinking Water Filter Inline for Reverse Osmosis RO Systems | 2.5" x 12"
    pH Alkaline Mineral Drinking Water Filter Inline for Reverse Osmosis RO Systems | 2.5" x 12"
    Special Price $35.99 Regular Price $37.99
    Add to Wish List Add to Compare
  61. Portable Aquarium Heavy Duty XL RODI Reverse Osmosis Replacement Filter + DI Resin Set
    Portable Aquarium Heavy Duty XL RODI Reverse Osmosis Replacement Filter + DI Resin Set
    $46.00
    Add to Wish List Add to Compare
  62. Portable Aquarium RODI Reverse Osmosis Replacement Filter + DI Resin Set
    Portable Aquarium RODI Reverse Osmosis Replacement Filter + DI Resin Set
    $27.99
    Add to Wish List Add to Compare
  63. Red 1/4" Polyethylene RO Tubing
    Red 1/4" Polyethylene RO Tubing
    $2.99
    Add to Wish List Add to Compare
  64. Replacement Cap for Clear Inline Filter Cartridges
    Replacement Cap for Clear Inline Filter Cartridges
    $0.55
    Add to Wish List Add to Compare
  65. Replacement Filters for Culligan AC-30 Reverse Osmosis Filtration Systems: 3/8" Quick Connect
    Replacement Filters for Culligan AC-30 Reverse Osmosis Filtration Systems: 3/8" Quick Connect
    Special Price $28.00 Regular Price $32.00
    Add to Wish List Add to Compare
  66. Replacement Water Filter Set: Carbon Block | Fluoride Reducing Filter | Alkaline Filter (3 PC) Set
    Replacement Water Filter Set: Carbon Block | Fluoride Reducing Filter | Alkaline Filter (3 PC) Set
    Special Price $75.00 Regular Price $85.00
    Add to Wish List Add to Compare
  67. Replacement Water Filter Set: for Fluoride, Chlorine, and Heavy Metal Removal
    Replacement Water Filter Set: for Fluoride, Chlorine, and Heavy Metal Removal
    Special Price $75.00 Regular Price $85.00
    Add to Wish List Add to Compare
  68. Replacement Water Filter: Strong Base Anion - Nitrate Reduction Cartridge (2.75" x 9.75")
    Replacement Water Filter: Strong Base Anion - Nitrate Reduction Cartridge (2.75" x 9.75")
    Special Price $35.99 Regular Price $42.99
    Add to Wish List Add to Compare
  69. Replacement Water Filter: Strong Base Anion - Nitrate Reduction Inline Cartridge (2" x 10")
    Replacement Water Filter: Strong Base Anion - Nitrate Reduction Inline Cartridge (2" x 10")
    $36.99
    Add to Wish List Add to Compare
  70. Ultraviolet UV Sterilizer Kit for Water Filter Systems
    Ultraviolet UV Sterilizer Kit for Water Filter Systems
    Special Price $85.99 Regular Price $99.99
    Add to Wish List Add to Compare
  71. White 1/4" Polyethylene RO Tubing
    White 1/4" Polyethylene RO Tubing
    $2.99
    Add to Wish List Add to Compare
View as Grid List

71 Items

per page
Set Descending Direction
Compare Products
  1. Remove This Item
Compare
Clear All
You have no items to compare.
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
Additional Options
All Rights Reserved 2020 -2021 Oceanic Water Systems