Pentek RO-2500 and RO-2550 RO System Replacement Prefilter and Postfilter Kit Compatible with Vertex Green Machine PT-4G and PT-4GS

The Pentek RO-2500 and RO-2550 RO System Replacement Prefilter and Postfilter Kit provides a one year supply of filters for your Pentek RO-2500 or RO-2550 reverse osmosis system. This kit includes all prefilters and postfilters.
Note: Reverse osmosis membrane needs to be replaced every 2-3 years.

Compatible with:

American Plumber

WRO-2500, WRO-2550