Large selection of replacement water filters, reverse osmosis membranes, testing kits and water filter system repair parts. From one water filter or membrane to case quantity discounts.

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OMNIFILTER Water Filters ®

OMNIFILTER ® Replacement Water Filters - Omni-Filter - Omni

 

RO2000 OMNIFILTER ® Reverse Osmosis System Compatible Replacement Water Filters

RO2050 OMNIFILTER ® Reverse Osmosis System Compatible Replacement Water Filters

OMNIFILTER BF7a series whole house water filter system, replacement filter cartridges and parts

OMNIFILTER BF55 Whole House Heavy Duty Water Filter System Replacement Filters and Parts

OMNIFILTER ® U700 replacement water filter cartridges, o-rings and filter housing wrenches

OMNIFILTER ® U600 replacement water filter cartridges, o-rings and filter housing wrenches

OMNIFILTER ® U400 replacement water filter cartridges, o-rings and filter housing wrenches

Omnifilter U25 and U30 Replacement Water Filters, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter UC2 Replacement Water Filters, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter OT-2 Dual Undercounter Filter System Replacement Water Filters, DIY Replacement Parts

Omnifilter OT32 Replacement Water Filters, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter CBF1 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter CBF3 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter SFM2 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter CBF20 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter OB1, OB3, OB5 and R12 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

Omnifilter OTC2 Countertop Water Filter System Replacement Water Filter Cartridges, Diverter Valves, Fittings, DIY Service Parts and HELP Guides.

Omnifilter CBF2, SFM3, R800, R1100, R500, US1750, US2000, RO4000 Quick Change Replacement Water Filters

Omnifilter USM2 Replacement Water Filter Cartridges, Faucets, Fittings, DIY Service Parts and HELP Guides.

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  1. OMNIFILTER R1100 - Refrigerator Water Filter System Including Head and 1100 R Filter Cartridge- 2000
    OMNIFILTER R1100 Refrigerator Water Filter System Including Head and 1100R Filter Cartridge
    OMNIFILTER 1100R Quick Change Water Filter Cartridge Replacement. Fits OmniFilter R1100 and CBF2 System. Also fits Culligan quick change systems that use the 1000R replacement water filter cartridge, the SY-1000, IC-1000, RV-1000, IC-750, SY-750 and RV-750 drinking water systems. Also fits Pentek QC-10 systems and all systems that use the Pentek QCH water filter head. Reduces sediment, chlorine, odor, lead, cysts, lindane, atrazine and improves taste.
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    $49.99 Special Price $39.99 As low as $36.99
  2. Omnifiler Slimline 10 Inch Water Filter Housing-1000
    Omnifilter Slimline 10 Inch Water Filter Housing
    Water Filter Housing - 10" Slimline replacement filter housing with 1/4" Female FNPT threaded ports. No pressure relief valve. Great as a stand alone water filter or as a replacement for broken sumps on RO systems. Cheaper than some sumps alone and assures that you can complete the repair of a broken sump on a RO system. There are many different thread patterns on the sump / cap assemblies. A mismatch may cause a leak. This housing uses a very common thread pattern. If the sump does not work as a replacement then also replace the housing cap. This will assure a perfect fit.
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    $34.99 Special Price $15.99
  3. Omnifilter-T08
    Omnifilter-T08 Radial Flow Carbon Replacement Water Filter
    Omnifilter-T08 Radial Flow Carbon Filter - Compatible with Pentek RFC-BB # 155141 / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Radial Flow Big Blue Carbon 25 Micron Water Filter. 10" long X 4 1/2" diameter. 8 per case, sold individually. RFC cartridges are constructed with a porous polypropylene outer shell and durable polypropylene end caps. Sandwiched between the outer shell and the core is a bed of granular activated carbon. The unique radial flow design offers the benefit of granular activated carbon filtration, such as low pressure drop, while at the same time eliminating the release of carbon fines commonly associated with GAC style cartridges. RFC cartridges are ideal for point-of-entry and other high flow rate applications.
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    $59.99 Special Price $42.99 As low as $38.99
  4. OMNIFILTER RO2050 Reverse Osmosis System
    OMNIFILTER RO2050 Reverse Osmosis System

    OMNIFILTER RO2050 ® Reverse Osmosis System

    • Deluxe 4-stage reverse osmosis water filter
    • Ultimate water filtration - bottle water quality
    • Use for chlorinated and non-chlorinated water
    • Reduces sediment & rust particles, chlorine taste & odor plus chemicals, cysts, lead & TDS
    • Includes 5-micron prefilter, membrane, carbon filter, GAC post filter, 3-gal. pressure tank, air gap faucet, installation hardware & wrench
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    $299.99 Special Price $249.95
  5. OMNIFILTER CB1 ® Replacement Water Filter Cartridge
    OMNIFILTER CB1 ® Replacement Water Filter Cartridge
    OMNIFILTER CB1 ® Series C Replacement Water Filter Cartridge. Replacement carbon block water filter cartridge for the OMNIFILTER CBF1, U700 and others. Order a full case and save even more. Micron rating 0.5* Flow Rate 1 gpm Filter capacity 1,000 gallons Reduces Sediment & Rust Particles*, Effectively reduces Asbestos, Chlorine, Taste & Odor, Cysts. 6 per case, priced and sold individually. Order a full case and save even more. IMPORTANT: DOES NOT FIT OLDER STYLE ORIGINAL AND SERIES A HOUSINGS. IF YOU HAVE AN OLDER STYLE HOUSING WE RECOMMEND THE KX PB1.
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    $29.99 Special Price $19.99 As low as $16.99
  6. OMNIFILTER CB3 Replacement Water Filter
    OMNIFILTER CB3 Replacement Water Filter

    OMNIFILTER CB3 ® Series C Replacement Water Filter Cartridge. Formerly TC3. IMPORTANT: DOES NOT FIT OLDER STYLE ORIGINAL AND SERIES A HOUSINGS. IF YOU HAVE AN OLDER STYLE HOUSING WE RECOMMEND THE KX PB1. Fits new style OMNI Undersink filters CBF3 and OT32, among others. 0.5 micron carbon block. Sediment, Rust, Chlorine, Lead and Mercury (harmful minerals), Cryptosporidium, Giardia Cysts, Volatile Organic Chemicals.

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    $52.99 Special Price $43.99 As low as $39.99
  7. OMNIFILTER RS14 Sediment Water Filter 10 Micron Polyspun
    OMNIFILTER RS14 Sediment Water Filter 10 Micron Polyspun 2 Pack
    OMNIFILTER RS14 Sediment Water Filter 2 Pack. The OmniFilter RS14-DS contains two RS14 Poly Spun Whole House Filters, which reduce dirt, sand, sediment and rust particles from your water. The OmniFilter RS14 sediment filters are used in Omni Filter whole house models, OT32 Series A Undersink Filter System and any other whole house filter system that calls for a standard size 10 micron Poly Spun filter. Includes two Omni Filter RS-14 filter cartridges. The OmniFilter RS14-DS Poly Spun Whole House Filter Product Specifications: •Micron Rating: 10 •Flow Rate: 5 gallons per minute •Filter Life: 10,000 gallons •Filter Size: standard 9.75 x 2.5 inch This product was known previously as model number RS14-DS3-01 and is now known by model number RS14-DS3-05. It is also known by part number 155014-126. Contains two RS14 filters.
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    $9.99 Special Price $7.99 As low as $6.79
  8. OMNIFILTER RS15 Whole House 5 Micron Sediment Water Prefilter
    OMNIFILTER RS15 Whole House 5 Micron Sediment Prefilter
    OMNIFILTER RS15 Whole House 5 Micron Sediment Prefilter. Same as the Pentek ECP5-BB # 255490 Replaces #155184 CP5BB Big Blue Sediment Water Filter Compatible With Culligan / Ametek / US Filter / Plymouth / Kleen Plus / American Plumber / Bruner & Many Other Brands. Big Blue 5 Micron Pleated Cellulose-Polyester Sediment Water Filter. 10" long X 4 1/2" diameter. 8 per case, sold individually. Ametek #155184 Culligan CP-5BBS same as ECP5-BB (255490) and OMNIFILTER RS15. RS15 Series cartridges are manufactured from a special formulation of resin-impregnated cellulose and polyester fibers. This construction provides high flow rates and dirt-holding capacities, while maintaining extremely low pressure drops. The media is pleated around a polypropylene core for added strength and the ends are immersed in a thermo-setting vinyl plastisol. Embedding and sealing each end of the pleat block in this fashion fuses the components together forming a unitized end cap and gasket. Order a case and save even more.
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    $24.99 Special Price $17.99 As low as $14.99
  9. OmniFilter R200 Refrigerator Icemaker Water Filter
    OmniFilter R200 Refrigerator Icemaker Replacement Water Filter
    The OmniFilter R200 Refrigerator and Icemaker Water Filter provides great tasting ice cubes and water through your refrigerator. The Omni Filter R200 is easy to install using quick connect fittings for use on 1/4 inch plastic tubing or copper pipe. This filter is also used on Omni RO2000 and RO2000-TDS water systems. This water filter reduces sediment, rust as well as reducing Chlorine. The OmniFilter R200 Series B Refrigerator Icemaker Water Filter is rated for •Micron Rating - 15 •Flow Rate - 0.5 Gallons per minute •Filter Life - 3,900 Gallons or 1 year •Dimensions - 1.5" x 10" This OmniFilter R200 Refrigerator Icemaker Water Filter meets NSF / ANSI standard 42 for the reduction of •Chlorine This product was known previously as model numbers R200-A-01 & R200-A-03 and is now known by model number R200-S6-05.
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    $24.99 Special Price $14.99 As low as $12.99
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Be sure to check our Parts Department for important parts such as TDS Testers For Reverse Osmosis Membranes, Replacement Tanks, O-rings , Filter Housing Wrenches, Faucets, Pumps, Fittings, UV Systems and more parts for your reverse osmosis pure water filtration system.   View maintenance and servicing tips online at our Installation & Trouble shooting Guide.




OMNIFILTER * IS THE REGISTERED TRADEMARK OF PENTAIR, THE MANUFACTURER OF OMNIFILTER WATER TREATMENT EQUIPMENT.  THE REPLACEMENT FILTERS AND MEMBRANES LISTED ABOVE ARE MANUFACTURED BY PENTAIR.  THESE FILTERS AND MEMBRANES ARE MANUFACTURED FOR USE IN OMNIFILTER ® BRAND WATER TREATMENT EQUIPMENT, OTHER COMPONANTS ARE MANUFACTURED BY OTHER VARIOUS MANUFACTURERS.