Global Water (GWRO) 4 Stage Reverse Osmosis Replacement Filters Blue & White (ST-50) Tank & Cover Only 50 GALLON TANK & COVER ONLY Brass construction and ceramic valve

Brass construction and ceramic valve cartridges resist wear from mineral content in remineralized RO water better than plastic alternatives

carbon block adsorption

preventing them from precipitating as hard scale on heating elements and plumbing surfaces

Consistent Flow

Wrap 1/2" male NPT threads with 3-4 wraps of PTFE tape in a clockwise direction when viewing the threads head-on

Global Water (GWRO) 4 Stage Reverse Osmosis Replacement Filters Blue & White (ST-50) Tank & Cover Only 50 GALLON TANK & COVER ONLY Brass construction and ceramic valveGlobal Water GWRO Series 4 Stage Reverse Osmosis Replacement Filters Complete filter set for GWRO systems. Four stages of protection: sediment removal, activated carbon adsorption, reverse osmosis membrane filtration, and final carbon block polishing. 4 Stage System Annual Replacement OEM Global Water HOW IT WORKS Four stage filtration engineered for bottleless water systems SEDIMENT Stage 1: 5 Micron Sediment Captures sand, rust, silt, and