5" Excellent filter to add ahead of an existing unit when you have an excessive amount of chlorine of chloramines

An RO pressure reducing valve (PRV) is essential for protecting your reverse osmosis system from potential damage caused by high water pressure

It is very important to rinse the sensor in distilled water after each use

This membrane requires that you have the 1100 fast flush flow restrictor to function properly

✔ 2 x big x small mounting clips ( to easily clip on your RO membrane housing)

PH-200 Waterproof PH Meter Parts 5" Excellent filter to addPH 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