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Omni Filters Replacement Cartridges

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Replacement Cartridge RS4
For All OMNI Water Filter Models - Except BF7 and F1

Buy a case of 24 and save over $50!

Model RS4
4Filter type Polyspun
Reduces: Rust & Sediment
Benefits Resistant to chemicals and corrosion
Average Cartridge
3 mos or 15,000 gal
Flow Rate2 5 gpm
Micron Rating3 5

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.


(Check or uncheck your selections then press add to cart)


Double Pack       $26.95
Quad Pack          $53.90
Six Pack             $67.40
Case of 24         $269.60

Single Pack      $8.14
Double Pack    $16.28
Three Pack      $24.42
Six Pack          $40.70

Shipping $8.50
per order


The RS4 is a polyspun cartridge for any OMNI filter unit, except the BF7 Wholehouse Filter Unit and the F1 Faucet Mount Filter Unit. Polyspun cartridges are good at removing rust and sediment particles from water that's entering your home. 

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 assistance.

Do you need tank wrenches or o-rings?

Installation Information




Dovetail Distribution Company
Is an Authorized Distributor of Omni Water Filters for Omni Filter
Sta-Rite / Omni Industries



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