✔ STAGE 4 : Select a 100  gallon per day (GPD) RO membrane with the best 98% rejection rates in the industry

Some folks have had better success by installing it AFTER the pre-filters and just before the water goes into the membrane

Turn clockwise to increase PSI and counterclockwise to decrease PSI

The 10" cartridge is refillable

Reverse Osmosis Pressure Reducing Valve: PSI

Aries® 10" × 2½" Heavy Metals Removal Cartridge ICEMAKERCONNECTIONKIT ✔ STAGE 4 : SelectAries 10" 2" Heavy Metals Removal Cartridge Aries 10" 2" Heavy Metals Removal Cartridge . Using premium Resintech media and offering oversized cartridge cavities, AF Series cartridges provide the best in water purification and filtration. Standard Features Aries 10" 2" Heavy Metals Removal Cartridge Scale, Taste & Odor Cartridges Aries FilterWorks offers a propriety blend of a high capacity weak acid ion exchange resin to reduce calcium and magnesium