Add A Stage PHMeters step 4: turn on the

step 4: turn on the tap water going into the RO system

NSF approved (Standard 58)

Dimensions and Weight :

✔ STAGE 4 : A professionally packed full 10" Nuclear Grade Color Changing Refillable DI Resin Cartridge to get down to ZERO TDS

a complete complete first class installation kit and easy to understand instructions for a quick

Add A Stage PHMeters step 4: turn on theAdd a Stage complete kit. have a new filter array in minutes with our easy install quick connect filter housing. Select from our clear or white housings, Select from standard 1 4" or 3 8" fittings, tubing and inline ball valve. ADD a filter to save on shipping cost! Every industry standard 10" filter size will fit. Comes with 2 quick connect male elbow fittings, 1 x in line ball valve, 6 feet of tubing and a stainless steel bracket and 4 SS screws.