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Omni Water Filters

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Omni Filters - Help

 

IDENTIFY the Model Number of an Older Water Filter 

What's the Difference Between the Cartridges 

Which Cartridge Fits My Water Filter 

My New Cartridge Doesn't Fit Anymore - Too big around or too tall.

   Troubleshooting Guide

How to Open a Stuck Water Filter Canister to Change the Cartridge

Why Should I Replace My 10 Year Old Water Filter

Well Water - Does It Matter?

Glossary & Terms Defined

Replacement Tanks & Replacement Canisters

 

Need replacement water filter cartridges for your Omni water filter?
Need a replacement cartridge for a filter not listed? Call: (855) 855-1976

Comparison chart of cartridge qualities - Click here

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

Filter Model #

Newest
Replacement Unit

 Cartridge Model #  O-Ring Wrench or Accessories
        Complete Set of Orings Universal Tank Wrench
Basic - OmniBasic U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) U24PLU  O-Ring  or U24 OW1 Tank Wrench
BF6 BF7 Series A RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK7 O-Ring BF7 Mounting Bracket
OW6 Tank Wrench
BF7 BF7 Series A RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18       (get help choosing 1) OK7 O-Ring BF7 Mounting Bracket
OW6 Tank Wrench
BF7 Series A     RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK50 O-Ring BF7 Mounting Bracket
OW50 Tank Wrench
BF70   BF7 Series A   RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK50 O-Ring BF7 Mounting Bracket
OW50 Tank Wrench
BF9   BF9C RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK 8 O-Ring BF7 Mounting Bracket
OW60 Tank Wrench
BF9C     RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK 8 O-Ring BF7 Mounting Bracket
OW60 Tank Wrench
BF35   RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18       (get help choosing 1) U35 O-Ring BF7 Mounting Bracket
OW50 Tank Wrench
BF36   BF35 RS6  or  TO6  or  CB6  or  TO8  or  RO6  or CB6 or RS15 or  RS18        (get help choosing 1) OK50 O-Ring BF7 Mounting Bracket
OW50 Tank Wrench
BF8         OK50 O-Ring OW50 Tank Wrench
BC1 USM2 CB1A - Original Size  (CB1 replaces BC1)  OR CB1 U24PLU  O-Ring  or U24 OW1 Tank Wrench
CBF1 CBF1 Series C CB1A  - Original Size  (or CB1C for California Residents) K4 O-Ring K12 Faucet
OW1 Tank Wrench
CBF1 Series A  CBF1 Series C CB1A  - Original Size  (or CB1C for California Residents) K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF1 Series B CBF1 Series C CB1A  - Original Size  (or CB1C for California Residents) K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF1 Series C   CB1B K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF2 US 1750 1100R NA NA
CBF3 CBF3 Series C CB3A - Original Size   Or  (CB3C for California Residents) K4 O-Ring K12 Faucet
OW1 Tank Wrench
CBF3 Series A  CBF3 Series C CB3A  - Original Size   Or  (CB3C for California Residents) K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF3 Series B CBF3 Series C CB3A  - Original Size   Or  (CB3C for California Residents) K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF3 Series C   CB3B K4 O-Ring K12 Faucet
OW30 Tank Wrench
CBF20   CB3A (is slightly smaller for older units)   RS5    OR CB1 K4 O-Ring OW1 Tank Wrench
CCF1 - Clarity Cube   R200 NA NA
F1 - Faucet Mount   FRC1 NA NA
House - OmniHouse U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) U24PLU  O-Ring or U24 OW1 Tank Wrench
Mite - Omni Mite U25  (or  U30 but call first) These cartridges have been discontinued.    
OB1 OB1 Series A TO1 or TO3  or   RS1  or  RS2  or   RS3    OK25 O-Ring if your Oring is black

K4 O-Ring if your Oring is blue

 OW1 Tank Wrench
OB1 Series A   TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) OK25 O-Ring OW40 Tank Wrench
OB3 USM2 GAC1  or  CB1  or  CB3  
        (get help choosing 1)		 K4 O-Ring OW1 Tank Wrench
OB5 WH5 TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) OK25 O-Ring WC79-2P Tank Wrench
OB5 Series A WH5 TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) OK25 O-Ring OW40 Tank Wrench
OB5 Series B  
&  WH5 		 WH5 TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) OK25 O-Ring OW40 Tank Wrench
         
OCT2 - Counter Top Countertop TO1  or TO3  or  GAC1  or  CB1  or  CB3         (get help choosing 1) K4 O-Ring OW1 Tank Wrench
OM 36 KCS Water Softener      
Omni Basic U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19       (get help choosing 1) U24PLU  O-Ring or U24 OW1 Tank Wrench
Omni Deluxe OT32 Series E  or US2000 GAC1-CB3A Kit      (uses 2 cartridges)
install GAC1 closest to water intake		 U24PLU  O-Ring or U24 OW1 Tank Wrench
Omni House U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19 (choose 1) U24PLU  O-Ring or U24 OW1 Tank Wrench
Omni PRO 900-901 U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19 (choose 1) K4 O-Ring OW1 Tank Wrench
Omni PRO 902 U25  (or  U30 but call first) TO1  or TO3  or    RS1  or  RS2  or  RS3  or  RS5 or RS7  or RS12  or RS14   or RS19 (choose 1) OK25 O-Ring OW1 Tank Wrench
Omni PRO 903 BF7 Series A   RS6  or  TO6  or  CB6  or  TO8  or  RO6  or RS18  (choose 1) OK7 O-Ring BF7 Mounting Bracket
OW1 Tank Wrench
Omni Regular U25  (or  U30 but call first) TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4  U24PLU  O-Ring or U24 OW1 Tank Wrench
Omni Super USM2 GAC1 U24PLU  O-Ring or U24 OW1 Tank Wrench
OT32 OT32 Series E  or US2000 CB3A & RS14 Kit
(uses a kit of 2 cartridges)
or CB3 Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW1 Tank Wrench
OT32 Series A  OT32 Series E  or US2000 CB3A & RS14 Kit
(uses a kit of 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT32 Series B  OT32 Series E  or US2000 CB3A-RS2 Kit    OR   CB3A-RS14 Kit
(uses a kit of 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT32 Series C  OT32 Series E  or US2000 CB3A & RS14 Kit
(uses a kit of 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT32 Series D  OT32 Series E  or US2000 CB3A & RS14 Kit
(uses a kit of 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT32 Series E   CB3B-RS2 Kit    OR   CB3B-RS14 Kit
(uses a kit of 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)  OR CB1 		K4 O-Ring K12 Faucet
OW30 Tank Wrench
OT2 OT32 Series E  or US2000 GAC1-CB3A Kit  OR  CB3A & RS14 Kit
uses a Kit of 2 cartridges (install GAC1 or the RS cartridges closest to water intake)  CB3 Replaces the TC3
or CB3A -  Alternate (is slightly smaller for older units)  OR CB1 		U24PLU  O-Ring or U24 OW1 Tank Wrench
OT5 OT32 Series E  or US2000 RS2-GAC1-CB3A (uses 3 cartridges)
install RS2 closest to water intake, then the GAC1 & then CB3)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
         
R12 U25  (or  U30 but call first) TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4 (get help choosing 1) K4 O-Ring OW1 Tank Wrench
R12 Series A U25  (or  U30 but call first) TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4 (get help choosing 1) K4 O-Ring OW1 Tank Wrench
R14 U25  (or  U30 but call first) TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4 (get help choosing 1) 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 R 1500 800R NA NA
R1100 - Fridge/Icemaker US 1750 1100R NA NA
         
RO2000   RO2000 Filter Replacement Kit 
(choose filters, membrane or both)		 K4 O-Ring RO2000 Faucet
OW1 Tank Wrench
RO2050   RO2050 Filter Replacement Kit 
(choose filters, membrane or both)		 K4 O-Ring RO2050 Faucet
OW1 Tank Wrench
PF500 - Pitcher   PF300S NA NA
SF100 - Shower   SF100 - discontinued NA NA
         
SFM2 USM2 GAC1 or  CB1A K4 O-Ring K12 Faucet
OW1 Tank Wrench
SFM2 Series B USM2 GAC1 or CB1A K4 O-Ring K12 Faucet
OW30 Tank Wrench
SFM2 Series C (USM2) USM2 GAC1 or  CB1A K4SU O-Ring K12 Faucet
OW30 Tank Wrench
SFM3   800R None K12 Faucet
No wrench needed
TC3 USM2  with CB3 CB3A   (CB3 replaces TC3)  OR CB1A
(is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
Total 2 OT32 Series E  or US2000 GAC1-CB3A Kit   TC3   (uses 2 cartridges)  OR CB1A
 or CB3A (is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
Total Plus OT32 Series E or US2000 GAC1-RS2-CB3A Kit     (uses 3 cartridges)  OR CB1A
or CB3A - Alternate (is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
U22 U25  or  U30 TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4 or RS19   U24PLU  O-Ring or U24 OW1 Tank Wrench
U24 U25  or  U30 TO1  or TO3  or   RS1  or  RS2  or  RS3  or RS4 or RS19   U24PLU  O-Ring or U24 OW1 Tank Wrench
U25 U25 Series E TO1  or TO3  or  RS1  or  RS2  or  RS3  or  RS4 or RS19   OK25 O-Ring OW2 Tank Wrench
U25 Series A U25 Series E TO1  or TO3  or  RS1  or  RS2  or  RS3  or  RS4  or  RS5 or RS7  or RS12  or RS14 or RS19  (get help choosing 1)  U25 O-Ring OW2 Tank Wrench
U25 Series B U25 Series E TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 or RS19  (get help choosing 1) U25 O-Ring OW2 Tank Wrench
U25 Series C U25 Series E TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 or RS19  (get help choosing 1) U25 O-Ring OW2 Tank Wrench
U25 Series D U25 Series E TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14  or RS19 (get help choosing 1) U25 O-Ring OW2 Tank Wrench
U25 Series E   TO1  or  TO3   or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19 (get help choosing 1) U25 O-Ring OW40 Tank Wrench
U26 U25  (or  U30 but call first) TO1  or  TO3   or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19 (get help choosing 1) U24PLU  O-Ring or U24 OW2 Tank Wrench
U26 Series A U25  (or  U30 but call first) TO1  or  TO3   or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19 (get help choosing 1) K4 O-Ring OW30 Tank Wrench
U30   TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14   or RS19 (get help choosing 1) K4 O-Ring OW30 Tank Wrench
U400 USM2 GAC1 U24 if your oring is Black
K4 if your oring is Blue		 OW1 Tank Wrench
U450 USM2 CB1A U24PLU  O-Ring or U24 OW1 Tank Wrench
U500 OT32 Series E  or US2000 GAC1-CB3A Kit   TC3  (uses 2 cartridges)  OR CB1
or CB3A - Alternate (is slightly smaller for older units)		 U24 if your oring is Black
K4 if your oring is Blue		 OW1 Tank Wrench
U600 OT32 Series E  or US2000 GAC1-CB3A Kit    TC3   (uses 2 cartridges)
or CB3A - Alternate (is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
UC2 OT32 Series E  or US2000 GAC1 - Double Pack  
(uses 2 - GAC1 cartridges)
or CB3A - Alternate (is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
UC2 USM2 GAC1 U24PLU  O-Ring or U24 OW1 Tank Wrench
U700 OT32 Series E  or US2000 GAC1-CB1A-CB3A Kit    (uses 3 cartridges)  
or CB3A - Alternate (is slightly smaller for older units)		 U24PLU  O-Ring or U24 OW1 Tank Wrench
US 1750   1750 R None Needed  None Needed
US 2000   2000 R None Needed None Needed
USM2 (SFM2) USM2 GAC1 or  CB1A K4SU O-Ring K12 Faucet
OW30 Tank Wrench
WH5    TO1  or TO3  or    RS1  or  RS2  or  RS3    or  RS5 or RS7  or RS12  or RS14 (choose 1) OK25 O-Ring OW40 Tank Wrench
         
Oring Lubricant

Connections - Fittings - Hardware

 Closeouts and Discounted Defects Complete Set of Orings Universal Tank Wrench
  10-27-2014     

 

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

 

Under Sink Water Filters:
Filter Model # Cartridge Model #
BC1 CB1   (CB1 replaces BC1)
CBF1 CB1 or RS4  
CBF2 1100R
CBF3 CB3 or CB20 or RS5 
CBF20 CB20 or L1
Omni Super GAC1
Omni Deluxe GAC1-CB3 Kit     (uses 2 cartridges)
install GAC1 closest to water intake
OB3 GAC1  or  CB1  or  CB3  
OT2 GAC1-CB3 Kit      (uses 2 cartridges)
(install GAC1 in first tank and CB3 in second tank)
OT32 CB3-RS2 Kit  uses 2 cartridges
RO2000 RO2000 Filter Replacement Kit 
(choose filter set, membrane or both)
SFM2 GAC1 , CB1 or RS5 
SFM3 800R
TC3 CB3   (CB3 replaces TC3)
Total 2 GAC1-CB3 Kit     (uses 2 cartridges)
Total Plus GAC1-RS2-CB3 Kit     (uses 3 cartridges)
UC2 GAC1 - Double Pack (uses 2 - GAC1 cartridges)
UC2 GAC1
U400 GAC1
U450 CB1
U500 GAC1-CB3 Kit     (uses 2 cartridges)
U600 GAC1-CB3 Kit     (uses 2 cartridges)
U700 GAC1-CB1-CB3 Kit    (uses 3 cartridges)
 
Whole House Water Filters:
Filter Model # Cartridge Model #
BF7 RS6  or  TO6   or  CB6
(choose 1)
Omni Regular RS1 or    RS2  or   TO1  or  RS3     (choose 1)
OB1

TO1  or   RS1  or   RS2  or  RS3  or RS5 or  NEW  RS7 NEW  RS12  NEW  RS14  (choose 1)
OB5 TO1  or   RS1  or   RS2  or  RS3  or  RS4 or NEW  RS7 NEW  RS12  NEW  RS14   (choose 1)
K11 Universal water faucet for use with Omni units: SFM2, CBF1, CBF3, OT32. Will not work with the Reverse Osmosis Unit RO2000.
R12 RS1  or  TO1  or    RS2  or  RS3     (choose 1)
R14 TO1  or   RS1  or   RS2  or  RS3     (choose 1)
U24 TO1  or   RS1  or   RS2  or  RS3  or RS5   (choose 1)
U25 TO1  or   RS1  or   RS2  or  RS3  or RS5 or  NEW  RS7 NEW  RS12  NEW  RS14   (choose 1)
 
Faucet Mount/ Counter Top Water Filters:
Filter Model # Cartridge Model #
F1 FRC1
OCT2 TO1  or  GAC1  or  CB1  or  CB3   (choose 1)
 
Pitcher Water Filters:
Filter Model # Cartridge Model #
PF500 PF300 - PF 300S
 
Refrigerator - Ice Maker Water Filters:
Filter Model # Cartridge Model #
R200 R200
R400 R400
R500 R500
R800 800R
R1100 1100R
 
Water Cooler Filters:
Filter Model # Cartridge Model #
WCF2 We're Sorry. This Item Is No Longer Available.
   
Tank Wrenches And O-Rings:

Whole House Filters:
Filter Model # Wrench and O-Ring Model #
BF7 OW6 Tank Wrench        OK7 O-Ring
Omni Regular OW1 Tank Wrench        U24 O-Ring
OB1 OW1 Tank Wrench        OK25 O-Ring
OB5 WC79-2P                      OK25 O-Ring
R12 OW1 Tank Wrench        U24 O-Ring 
R14 OW1 Tank Wrench        U24 O-Ring 
U24 OW1 Tank Wrench        U24 O-Ring 
U25 OW2 Tank Wrench        OK25 O-Ring
U26 OW2 Tank Wrench        U24 O-Ring 
 
Tank Wrenches And O-Rings:

Under Sink Filters:
Filter Model # Wrench and O-Ring Model #
BC1 OW1 Tank Wrench        U24 O-Ring
CBF1 OW1 Tank Wrench        K4 O-Ring
CBF3 OW1 Tank Wrench        K4 O-Ring
CBF20 OW1 Tank Wrench        K4 O-Ring
Omni Super OW1 Tank Wrench        U24 O-Ring
Omni Deluxe OW1 Tank Wrench        U24 O-Ring
OB3 OW1 Tank Wrench        K4 O-Ring
OT2 OW1 Tank Wrench        U24 O-Ring
OT5 OW1 Tank Wrench        U24 O-Ring
OT32 OW1 Tank Wrench        K4 O-Ring
RO2000 K4 O-Ring
SFM2 OW1 Tank Wrench        K4 O-Ring
TC3 OW1 Tank Wrench        U24 O-Ring
Total 2 OW1 Tank Wrench        U24 O-Ring
Total Plus OW1 Tank Wrench        U24 O-Ring
UC2 OW1 Tank Wrench        K4 O-Ring
UC2 OW1 Tank Wrench        U24 O-Ring
U400 OW1 Tank Wrench        U24 O-Ring
U450 OW1 Tank Wrench        U24 O-Ring
U500 OW1 Tank Wrench        U24 O-Ring
U600 OW1 Tank Wrench        U24 O-Ring
U700 OW1 Tank Wrench        U24 O-Ring
 
Shower Filter 
SF100 SF100

 

Or, select the type of filter you have and choose the recommended cartridge.
(click on image below):

 

   062707
 

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We are not associated with Envirotech Products Incorporated of Mulvane Kansas          02242014