(please note that stage 6 comes from stage 4)
Phosphate/GAC Filter
The filter listed here is a refillable granular Catalytic Activated Carbon filter which is specifically designed to remove chlorine and chloramines from your water
A pressure reducing valve (PRV) works by automatically regulating the water pressure entering your reverse osmosis system
PH-200 Waterproof PH Meter 75gpd (please note that stage 6PH 200 Waterproof PH Meter Ideal for all pH testing, water purification applications, wastewater regulation, aquaculture, hydroponics, colloidal silver, labs & scientific testing, pools & spas, ecology testing, boilers & cooling towers, water treatment, wine, coffee, agriculture and more. Standard Features FEATURES Measures pH and Temperature Auto ranging three point calibration with digital fine tuning Includes storage solution in a sponge embedded