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The replacement cartridge kit for the Omni Total Plus water filters.
Includes the GAC1, the RS2 and the CB3 replacement cartridges.

If you are purchasing this kit for the OT5 please install the RS2 closest to water intake, then the GAC1 in the middle & then the CB3 on the end furthest from the incoming water.

Change GAC1 every 6 months, CB3 every 4 months and RS2 filters every 3 months. Change O-rings every 3rd filter change.

If you have an older Omni filter model that has been discontinued and need an O-Ring, please call our customer service number: (406) 889-5288 for assistance. 

GAC1-RS2-CB3 Cartridge Kit - For Omni Total Plus and OT5 Filters
U24 O-Ring - For Omni Total Plus and OT5 Filters
OW1 Tank Wrench - For Omni Total Plus and OT5 Filters

Cartridge Kit GAC1 - RS2 - CB3 Replacement Cartridges QTY 1 Kit at $54.81 each    QTY 2-5 Kits at $52.94 each  QTY 6 + Kits at $51.66 each                          View Cart / Check Out

 

ADD EXTRA CARTRIDGES? Help - What do I need?   RO6  $58.74   TO6  $21.32   CB6  $74.33   TO6  $21.32   1100R  $28.23   800R   $19.95   CB1  $19.44   CB3  $39.94   FRC1  $10.22   GAC1  $9.99   PF300S   $8.48   R200 $14.78   RS12 $3.12   RS14 $2.80   RS1 $3.97   RS2 $4.88   RS3 $3.99   RS5 $4.48   RS6  $14.39   RS7 $3.31   TO1 $7.93  Qty:     (if selected above)

ADD EXTRA ORINGS? Help - What Oring do I need?   K4 O-ring + $3.95   OK7 O-ring + $3.95   OK50 O-ring + $3.95   OK25 Oring + $3.95   U24 O-ring + $3.95 Qty:     (if selected above)

ADD AN EXTRA WRENCH? - Help -  What wrench do I need?   OW6 Wrench + $19.99 (Strap Wrench fits all Omni filters)   OW50 Wrench + $7.99   Universal Strap Wrench  + $19.99 (fits all Omni filters)   OW1 Wrench + $19.99 (Strap Wrench fits all Omni filters)   OW30 Wrench + $7.99   OW40 Wrench + $7.99  WC79-2P Wrench +$19.99 (Strap Wrench fits all Omni filters) Qty:     (if selected above)

The GAC1 is an activated carbon cartridge used in OMNI Undersink Models SFM2, UC2, OB3 and U400. The GAC1 removes sediment, chlorine and odors to give you great tasting water right from the tap, or from a dedicated faucet, depending on the unit selected.  If you have an older Omni filter model that has been discontinued and need O-Rings or cartridges, please call our customer service number: (888) 855-3545 for assistance. Note: The new style of GAC1 filter cartridge will fit older models of Omni filter units Change cartridge filter every 1 year or 2,000 gallons. Change O-Ring with every 3rd filter change. GAC1  Series Data: The GAC1 Cartridge fits: OmniFilter SFM2, and discontinued models: UC2, OB3 and U400 For OB3, SFM2, SFM2 Series B, UC2 & U400 Filters K4 O-Ring* - For SFM2, SFM2 Series B & OB3 Filters U24 O-Ring - For UC2 & U400 Filters and others OW1 Tank Wrench - For SFM2, OB3, UC2 & U400 Filters OW30 Tank Wrench - For SFM2 Series B Filter	Model GAC1 (Series C)  Filter type Activated Carbon Reduces: Rust & Sediment Reduces: Odor & Chlorine (93%) Benefits Removes chlorine and odors to provide great tasting water. Average Cartridge Life 1 1 year or 2,000 gal Flow Rate2 1.0 gpm Micron Rating3 20   1 Usage and the quality of water in your incoming line determine when your cartridge should be changed. 2 Gallons per minute. 3 The smaller the micron, the finer the filtration.
The RS2 is a string wound cartridge for OMNI's U25, OB1, and OB5 Whole House water filters, the Omni Undersink OT32 as well as the older models R12, R14 and Omni Regular Whole House water filters.  It has a smaller micron size than cartridges RS1 and RS3, which makes it ideal for removing small rust and sediment particles from your water. This cartridge replaces the RS2 SS and DS.  Need Help? Please call our customer service number: (888) 855-3545 for assistance. Change cartridge filter every 3 months. Change O-ring every 3rd filter change. RS2 Cartridge - For OB1, OB1Series A, OB5, OB5 Series A, U25 and U25 Series C, U25 Series E K4 O-Ring - For OB1, OB1Series A, OB5 and OB5 Series A+B Filters OK25 O-Ring - For U25 and U25 Series C, U25 Series E Filters OW1 Tank Wrench - For OB1 filter OW2 Tank Wrench - For U25  and U25 Series C  Filter WC-792P Tank Wrench - For OB5 Filter OW40 Tank Wrench - For OB1Series A and OB5 Series A+B, U25 Series E Filters	Model RS2 Filter type String Wound Reduces: Rust & Sediment Benefits The small micron size filters out very small rust and sediment particles. Average Cartridge Life1 3 mos or 15,000 gal Flow Rate2 5 gpm Micron Rating3 5 (Finer than RS1)   1 Usage and the quality of water in your incoming line determine when your cartridge should be changed. 2 Gallons per minute. 3 The smaller the micron, the finer the filtration.
The CB3 is the highest performance carbon block cartridge on the market today. It is used in OMNI Undersink filters CBF3, OT32, and OB3. The CB3's carbon block removes chlorine and odors, harmful bacteria like Giardia and Cryptosporidium, lead, and volatile organic compounds (VOCs) like Atrazine (a herbicide) and Lindane (a pesticide), as well as 32 other VOCs, to give you great tasting, safe drinking water right from the tap, or from a dedicated faucet, depending on the unit selected. Need Help? Please call our customer service number: (888) 855-3545 for assistance.  Change cartridge filter every 6 months. CB3  Cartridge - For CBF3, For CBF3 Series B, OT32 and OT32 Series B Filters K4 O-Ring* - For CBF3, CBF3 Series B,  OT32 & OT32 Series B OW1 Tank Wrench - For CBF3 & OT32 OW30 Tank Wrench - For CBF3 Series B & OT32 Series B	Model CB3 Filter type Carbon Block Reduces: Rust & Sediment (Class I) Removes: Odor & Chlorine (98%) Removes: Lead (97%) Removes: Cryptosporidium & Giardia Cysts (99.99%) Removes: VOCs (97-99%) - Including Atrazine & Lindane Benefits Removes lead, Cryptosporidium and Giardia cysts, and 34 VOCs at 97% or better. Also removes chlorine and odors to give you great tasting water. Average Cartridge Life 1 4 mos or 600 gal Flow Rate2 0.75 gpm Micron Rating 3 0.5   1 Usage and the quality of water in your incoming line determine when your cartridge should be changed. 2 Gallons per minute. 3 The smaller the micron, the finer the filtration.