US Water AR-4 RO Replacement Filter Pack

Replacement Filter Pack for US Water AR-4 Reverse Osmosis Systems

It is recommended that filters be replaced at least every 90 to180 days.  Some applications my need more frequent intervals.

Includes:

• (1) 5 Micron Spun Poly Sediment Pre-filter
• (1) 10 Micron Carbon Block Filter

This is a  Standard Factory Replacement Package

Also replaces USCRO-1000, Flexeon AT-500, and Flexeon AT-1000 systems