For OB1 Filter:
For OB5 Filter:
The RS3 is a string wound cartridge for
OMNI's OB1 and OB5 Whole House
water filters. String wound cartridges are good at removing rust and sediment particles
from water that's entering your home. This cartridge replaces the RS3
SS and DS.
Change filter every 3 months.
Change O-ring every 3rd filter.
If you have an
older Omni filter model that has been discontinued and need an O-Ring,
please call our customer service number: (855) 855-1976 for
Do you need tank
wrenches or o-rings?