Watts GTS450S 4-Stage RO System
Reverse Osmosis Systems
Watts GTS450S 4-Stage RO Replacement Filters
The Watts GTS450S is a traditional, four-stage RO system with two standard, 10" filter housings vertically and the RO membrane and GAC post-filter mounted horizontally. See below for replacement filters and parts.
Replacement Filter Info
Sediment Filter (93023) - Replace every 6-12 months
Carbon Block Filter (OMB934-5m) – Replace every 6-12 months
RO Membrane TFC 50 GPD (555694-00) – Replace every 24 months
Inline Carbon Filter (CL10ROT33-BB) – Replace every 6-12 months
Helpful Filter Information
Not all filters have the same replacement schedule. Replace the RO membrane filter every two years. Replace all other filters every 6-12 months. Help keep your system sanitary by never using filters longer than 12 months, except the RO membrane filter, regardless of how much water you use.