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Cartridge GAC1
Old Style New Style

The GAC1 is an activated carbon cartridge used in OMNI Undersink Models SFM2, UC2, OB3 and U400. The GAC1 removes chlorine and odors to give you great tasting water right from the tap, or from a dedicated faucet, depending on the unit selected. This cartridge replaces the GAC1 SS and DS.

Change filter every 6 months.
Change O-Ring with every 3rd filter change.

Buy 5, get 1 free with the GAC1-Six Pack!
Buy a case of 24 and save $66!

Note: The new style of GAC1 filter cartridge will fit older models of Omni filter units.

GAC1  Cartridge - For OB3, SFM2, SFM2 Series B, UC2 & U400 Filters
$16.45 for single pack

Replacement O-Rings
Replacement Tank Wrenches

K4 O-Ring* - For SFM2, SFM2 Series B
& OB3 Filters

$8.14 for single pack

U24 O-Ring - For UC2 & U400 Filters
$8.14 for single pack

* K4 O-Ring packet includes the K4, OK30, OK40 &
WC9-13 O-Rings

OW1 Tank Wrench - For SFM2, OB3, UC2 & U400 Filters
$8.62 each

OW30 Tank Wrench - For SFM2 
Series B Filter

$8.62 each

 

Shipping $8.50 per order

 
Model GAC1
Filter type Activated Carbon
Reduces: Rust & Sediment
Removes: Odor & Chlorine (99.95%)
Benefits Removes chlorine and odors to provide great tasting water.
Average Cartridge Life 1 6 mos or 1,000 gal
Flow Rate2 1.0 gpm
Micron Rating3 30
  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.
Click On Links For Tank Wrench and Replacement O-Rings Information

Installation Information

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.

Also called GAC1 or GAC 1 or GAC 1 SS, 
GAC1 SS, GAC1 SD and GAC 1SD replacement cartridge

 

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Call our order line: 1-406-889-5288 or send an e-mail: info@omni-water-filters.com

www.omni-water-filters.com

 

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