The Hanna Instruments HI98301 DiST 1 is a low-range total dissolved solids tester than can measure up to 2000 ppm (mg/L). The DiST 1 is a rugged and reliable pocket-sized tester for use in the lab or field. This modern...

The Smart ATO solenoid is designed to use your Auto Aqua top off system directly with your Reverse Osmosis System.  Using the solenoid you can connect your SMART ATO directly to your RO/DI unit to use as an auto top off...

Reverse Osmosis Shut-off ValveReverse osmosis shut off valves are a great item to add to areas of your RO plumbing to shut water supply off to your water holding tanks or other items. These RO Valves are a 1/4" input...

Reverse Osmosis Float Valve Adjustable Float valves are used to shut down your reverse osmosis system when the float is elevated. Float valves are typically installed on containers like large plastic food grade trash cans...

Reverse Osmosis refillable cartridge can be used for DI resin or media for your water filtration system.

Glycerin filled pressure gauges absorb vibration and pressure spikes increasing service life. This glycerin filled pressure gauge comes assembled with 1/4" quick connect fittings for quick easy installation in-line...

Reverse Osmosis Tee Push Connect FittingThe Reverse Osmosis Tee or "T" fitting is used to branch off 1/4" RO line into 2 other different directions.  With a quck push connect fitting and leak free connection they are...

Reverse Osmosis 2-way Splitter FittingReverse osmosis 2-way splitters are a great item to add to areas of your RO plumbing to split the water line into 2 different lines. These RO Valves and fittings are a 1/4"...

HM Digital In-line Dual TDS Meter for RO/DI Filters The Dual TDS meter offers an easy and convenient way of monitoring the performance of your RO or RO/DI unit. It allows you to quickly check the quality of the inlet and...

Pressure Gauge 1-100 PSI Air Filled for Reverse Osmosis Systems Having the proper pressure for your reverse osmosis system is vital to having it perform at its max. A pressure gauge will help you know when the filters may...

HM Digital TDS-3 TDS Handheld Meter The TDS-3 Handheld TDS Meter from HM Digital is a useful tool to spot check the TDS of your home water supply or RO/DI unit output. This unit features a digital display, built in...