a RS7 cartridge (Check or uncheck your selections then press add to cart)
The RS7 is a string wound
OB1, and OB5
Whole House water filters
Change filter every 3 months or 3,000
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?