The DM-1 is consumer friendly monitor measuring feed (input) water vs. product (output) water of a water filtration system at any time. This device is ideal for Reverse Osmosis (RO), Deionized water...

Pocket Meters' compact size makes them ideal for use on the go. Their economical prices make them suitable for use at home for checking tap water or RO permeate water TDS. TDS Testing is fast and...

Pocket Meters' compact size makes them ideal for use on the go. Their economical prices make them suitable for use at home for checking tap water or RO PH. PH Testing is fast and easy: Simply turn on...

Nova 5 Stage Premium Reverse Osmosis with DI System 75gpd, includes Booster pump,pressure gauge, HM Digital Inline Dual TDS Meter. 5 Stage Systems are our most popular systems and are great for a...