Add A Stage PHMeters ✔ STAGE 4 : A

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

This special filter pack contains 3 pre-filters which is the perfect combination to protect your membrane from dirt and chemicals

Easily tap into copper piping or pex using the SV-6

NSF approved (Standard 58)

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

Add A Stage PHMeters ✔ STAGE 4 : AAdd 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.