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Cartridge GAC1  

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

     

GAC1
Replacement
Cartridges

GAC1 Pricing
QTY 1 at $9.99 each  
QTY 2-5 at $8.87 each
QTY 6+ at $7.93 each  

QUANTITY:      
 
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ADD EXTRA
CARTRIDGES?

Help - What do I need?

  CB1  $19.44

  CB3  $39.94

  GAC1  $9.99

  TO1 $7.93 

Qty:    
(if selected above)

 

ADD EXTRA
ORINGS?

Help - What Oring do I need?

  K4 O-ring + $3.95

  U24 O-ring + $3.95

Qty:    
(if selected above)

 

ADD AN EXTRA
WRENCH?

- Help - 
What wrench do I need?

  Universal Strap Wrench 
+ $19.99 (fits all Omni filters)

  OW1 Wrench + $19.99
(Strap Wrench fits all Omni filters)

  OW30 Wrench + $7.99

Qty:    
(if selected above)

 

Tank Wrench and O-Rings

Installation information

GAC1 Cartridge Information and Data - Get More Data or Purchase Other Cartridges Separately Here 

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.

 

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. 

Also called Omnifilter GAC1 or GAC 1 or GAC 1 SS replacement cartridge and GAC1 SS, GAC1 SD and GAC 1SD - OmniFilters - Omni Filters - Omni Water Filters. This cartridge replaces the GAC1 SS and DS, Series A and Series B.

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Call: (888) 855-3545
 or e-mail: info@omniwaterfiltersonline.com

An Authorized Distributor for Omni Industries

 

Sort by Omni filter housing model number for options (find o-rings and wrenches here too):

Filter Model # Cartridge Model #  O-Ring Wrench or Accessories
      Complete Set of Orings Universal Tank Wrench
BF7 RS6  or  TO6  or  CB6  or  TO8  or  RO6    (choose 1) OK7 O-Ring BF7 Mounting Bracket
OW6 Tank Wrench
BF7 Series A RS6  or  TO6  or  CB6  or  TO8  or  RO6    (choose 1) OK50 O-Ring BF7 Mounting Bracket
OW50 Tank Wrench
BF8   OK50 O-Ring OW50 Tank Wrench
BC1 CB1   (CB1 replaces BC1) U24 O-Ring OW1 Tank Wrench
CBF1 CB1 K4 O-Ring K12 Faucet
OW1 Tank Wrench
CBF1 Series A CB1 K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF2 1100R NA NA
CBF3 CB3 K4 O-Ring K12 Faucet
OW1 Tank Wrench
CBF3 Series B CB3 K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF20 CB3   RS5   K4 O-Ring OW1 Tank Wrench
       
F1 - Faucet Mount FRC1 NA NA
       
OB1 TO1  or   RS1  or  RS2  or   RS3    OK25 O-Ring OW1 Tank Wrench
OB1 Series A TO1  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW40 Tank Wrench
OB3 GAC1  or  CB1  or  CB3  
  (choose 1)
K4 O-Ring OW1 Tank Wrench
OB5 TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring WC79-2P Tank Wrench
OB5 Series A TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW40 Tank Wrench
OB5 Series B TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW40 Tank Wrench
       
OCT2 - Counter Top TO1  or  GAC1  or  CB1  or  CB3   (choose 1) NA NA
       
Omni Deluxe GAC1-CB3 Kit     (uses 2 cartridges)
install GAC1 closest to water intake
U24 O-Ring OW1 Tank Wrench
Omni Regular TO1  or   RS1  or  RS2  or  RS3  or RS4  U24 O-Ring OW1 Tank Wrench
Omni Super GAC1 U24 O-Ring OW1 Tank Wrench
       
OT32 CB3-RS2 Kit   
(uses 2 cartridges)
K4 O-Ring K12 Faucet
OW1 Tank Wrench
OT32 Series B CB3-RS2 Kit   
(uses 2 cartridges)
K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT2   U24 O-Ring OW1 Tank Wrench
       
       
R12 TO1  or   RS1  or  RS2  or  RS3  or RS4  K4 O-Ring OW1 Tank Wrench
R12 Series A TO1  or   RS1  or  RS2  or  RS3  or RS4  K4 O-Ring OW1 Tank Wrench
R14 TO1  or   RS1  or  RS2  or  RS3  or RS4  K4 O-Ring OW1 Tank Wrench
      NA
R200 - Fridge/Ice maker R200 NA NA
R400 - Fridge/Icemaker R400 NA NA
R500 - Fridge/Icemaker R500 NA NA
R800 - Fridge/Icemaker 800R NA NA
R1100 - Fridge/Icemaker 1100R NA NA
       
RO2000 RO2000 Filter Replacement Kit 
(choose filters, membrane or both)
K4 O-Ring RO2000 Faucet
OW1 Tank Wrench
PF500 - Pitcher PF300S NA NA
SF100 - Shower SF100 NA NA
       
SFM2 GAC1 or  CB1 K4 O-Ring K12 Faucet
OW1 Tank Wrench
SFM2 Series B GAC1 or  CB1 K4 O-Ring K12 Faucet
OW30 Tank Wrench
SFM3 800R None K12 Faucet
No wrench needed
TC3 CB3   (CB3 replaces TC3) U24 O-Ring OW1 Tank Wrench
Total 2 GAC1-CB3 Kit     (uses 2 cartridges) U24 O-Ring OW1 Tank Wrench
Total Plus GAC1-RS2-CB3 Kit     (uses 3 cartridges) U24 O-Ring OW1 Tank Wrench
U24 TO1  or   RS1  or  RS2  or  RS3  or RS4  U24 O-Ring OW1 Tank Wrench
U25 TO1  or  RS1  or  RS2  or  RS3  or  RS4  OK25 O-Ring OW2 Tank Wrench
U25 Series A TO1  or  RS1  or  RS2  or  RS3  or  RS4  or  RS5 or RS7  or RS12  or RS14 (choose 1)  OK25 O-Ring OW2 Tank Wrench
U25 Series C TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW2 Tank Wrench
U25 Series E TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW40 Tank Wrench
U26 RS7 U24 O-Ring OW2 Tank Wrench
U26 Series A RS7 K4 O-Ring OW30 Tank Wrench
U30 TO1  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) K4 O-Ring OW30 Tank Wrench
U400 GAC1 U24 O-Ring OW1 Tank Wrench
U450 CB1 U24 O-Ring OW1 Tank Wrench
U500 GAC1-CB3 Kit     (uses 2 cartridges) U24 O-Ring OW1 Tank Wrench
U600 GAC1-CB3 Kit     (uses 2 cartridges) U24 O-Ring OW1 Tank Wrench
UC2 GAC1 - Double Pack  
(uses 2 - GAC1 cartridges)
U24 O-Ring OW1 Tank Wrench
UC2 GAC1 U24 O-Ring OW1 Tank Wrench
U700 GAC1-CB1-CB3 Kit    (uses 3 cartridges) U24 O-Ring OW1 Tank Wrench
    Complete Set of Orings Universal Tank Wrench

 

WCF2 We're sorry. This item is no longer available.
K11 / K12 Universal water faucet for use with Omni units: SFM2, CBF1, CBF3, OT32. Will not work with the Reverse Osmosis Unit RO2000.
RO2000 Faucet Universal water faucet for use with Omni RO2000 units
BF7 Mounting Bracket Mounting Bracket for use with the Omni BF7 Units

 

 

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