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Parts & Accessories

The water filter parts you need - all in one place!

Water filtration systems are like most systems, they can be outfitted with spare parts and accessories in order to improve their performance.  Waterfilters.net has water filter parts and accessories for all your water treatment needs. We have parts and accessories for filter housings, reverse osmosis systems, UV filters, as well as DIY water testing kits. We also have a huge selection of general parts and household items, perfect for those odds and ends that you encounter in your water treatment project.

Shop from our comprehensive list of water filter parts and accessories below. If you can’t find the parts and accessories that you are looking for, please contact our customer service department. 

426 Products found

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  1. Tier1 16-Point Rapid Water Lab Test Analysis - $100 System Rebate

    Tier1 16-Point Rapid Water Lab Test Analysis - $100 System Rebate

    Price $100.00
    Free Shipping
  2. Flo Home Monitoring Leak Protection System

    Flo Home Monitoring Leak Protection System

    Price $767.00
    Free Shipping
  3. Tier1 Samsung DA29-00020B Comparable Refrigerator Water Filter Replacement and DishFish (3 Pack)

    Tier1 Samsung DA29-00020B Comparable Refrigerator Water Filter Replacement and DishFish (3 Pack)

    Price $107.09
    Free Shipping
  4. DishFish CP201-1 Dual Scrubber Sponge

    DishFish CP201-1 Dual Scrubber Sponge

    Price $7.09 List Price Price $8.86 Save 19%
  5. 44302403 PURA Power Control Box and Ballast

    PURA 44302403 Power Control Box and Ballast

    Price $211.99
    Free Shipping
  6. PURA 44301009 Quartz Sleeve Adapter

    PURA 44301009 Quartz Sleeve Adapter

    Price $43.99 List Price Price $62.99 Save 30%
  7. Doulton W9310000 Taste Bottle - Blue

    Doulton W9310002 Taste Bottle in Blue

    Price $19.95 List Price Price $25.95 Save 23%
  8. Doulton W9310001 Taste Bottle in Black

    Doulton W9310001 Taste Bottle in Black

    Price $19.95 List Price Price $25.95 Save 23%
  9. DOULTON W9310000 Taste Bottle - Peach

    Doulton W9310000 Taste Bottle in Peach

    Price $19.95 List Price Price $25.95 Save 23%
  10. Doulton W2326055 Lid Washer

    Doulton W2326055 Lid Washer

    Price $5.99 List Price Price $9.99 Save 40%
  11. 10 Panel Water Test Kit by Tier1

    Tier1 10 Panel Water Test Kit

    Price $18.95 List Price Price $24.95 Save 24%
  12. 3/4-inch Flexible Plumbing Connector by Tier1

    Tier1 3/4-inch Flexible Plumbing Connector

    Price $10.99 List Price Price $14.99 Save 26%

426 Products found

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Shopping Options
Category
  1. Water Testing 43 item
  2. General Parts 43 item
  3. Household Items 20 item
Brand
  1. Accustar 1 item
  2. Amana 1 item
  3. American Hydro Systems 10 item
  4. American Plumber 1 item
  5. Aprilaire 1 item
  6. Aquamira 6 item
  7. Aquatec 2 item
  8. ARCHETYPE LTD 2 item
  9. Axeon 2 item
  10. Bar Keepers Friend 1 item
  11. Cerama Bryte 2 item
  12. Crystal Quest 2 item
  13. Culligan 14 item
  14. Digiflow 1 item
  15. DishFish 2 item
  16. Doulton 15 item
  17. Eastman 1 item
  18. Electrolux 1 item
  19. Everpure 6 item
  20. Filtrete 4 item
  21. Flo 1 item
  22. Frigidaire 2 item
  23. GE 11 item
  24. Genie 1 item
  25. Geocel 1 item
  26. HM Digital 12 item
  27. Home Revolution 1 item
  28. Hydrologic 3 item
  29. Hydronix 2 item
  30. Hydrotech 5 item
  31. John Guest 5 item
  32. LanoSoft 4 item
  33. Leak Controller 2 item
  34. LG 1 item
  35. Lifesaver 1 item
  36. Magic 1 item
  37. GE Merlin 1 item
  38. Microline 1 item
  39. OmniFilter 8 item
  40. Omnipure 2 item
  41. Pentek 16 item
  42. Pro Products 66 item
  43. Pro-Lab 2 item
  44. ProTec 1 item
  45. PURA 2 item
  46. Purtrex 5 item
  47. QMP 1 item
  48. Rainshow'r 8 item
  49. Samsung 1 item
  50. Scotch 1 item
  51. SeaTech 1 item
  52. Seychelle 4 item
  53. Spectrum 1 item
  54. Sprite 2 item
  55. Sterilight 7 item
  56. Sub-Zero 1 item
  57. Superb 5 item
  58. Tier1 85 item
  59. Viqua 37 item
  60. Water Controller 1 item
  61. Water Factory Systems 2 item
  62. WaterCheck 2 item
  63. WaterSafe 4 item
  64. WaterWorks 3 item
  65. Watts 9 item
  66. Whirlpool 17 item
Primary Filter Media
  1. Activated Carbon Block 1 item
  2. Polypropylene 6 item
Price
  1. $0.00 - $999.99 425 item
  2. $1,000.00 and above 1 item
Fitting Type
  1. 3 Prong 5 item
  2. 4 Prong 4 item
  3. FGH 4 item
  4. Compression 5 item
  5. FHT 4 item
  6. FIP 2 item
  7. FIP x MIP 2 item
  8. FNPT 17 item
  9. FPT 1 item
  10. MNPT 1 item
  11. MPT 1 item
  12. NPT 3 item
  13. Quick Connect 7 item
Fitting Size (inches)
  1. 1/4 inch 13 item
  2. 3/8 inch 5 item
  3. 1/2 inch 6 item
  4. 3/4 inch 11 item
  5. 1 inch 11 item
Advertised Size (in)
  1. 7-1/4 x 1-3/4 1 item
  2. 8 x 2-1/2 1 item
  3. 10 x 4-1/2 1 item
  4. 30 x 2-1/2 2 item
Micron Rating (Nominal)
  1. 0.5 1 item
  2. 1 4 item
  3. 3 1 item
  4. 5 2 item
  5. 50 1 item
  6. 75 1 item
Filter Life (months)
  1. 1 month 1 item
  2. 3 months 3 item
  3. 4 months 4 item
  4. 6 months 6 item
  5. 12 months 1 item
  6. 36 months 1 item
Filter Life (gallons)
  1. 0 - 100 2 item
  2. 100 - 250 2 item
  3. 250 - 500 1 item
  4. 1,000 - 2,500 1 item
  5. 2,500 - 5,000 1 item
  6. 5,000 - 10,000 2 item
  7. 25,000 - 50,000 1 item