TGI Pure (tgi-415)

Watts (W-525) 5 Stage 50 GPD Reverse Osmosis System

The W-525 is capable of producing 50 gallons per day and typically fits in a sink cabinet. The Watts's RO System is a 5 stage reverse osmosis system which contains four replacement water filter cartridges and one membrane. Below is a break down of each stage and the compatible replacement membrane and filter part numbers that can be found on our site.

The full system is also available for purchase.  Please click here to purchase the Watts W-525 RO system.

STAGE 1 : FPMB5-978


STAGE 3 : 32-250-125-975

STAGE 4 : W-1812-50

STAGE 5 : K2533-KK