DIGITEN 12V 3/8" Inlet Feed Water Solenoid Valve Quick Connect for RO Reverse Osmosis

DIGITEN DC 12V 1/4" Inlet Feed Water Solenoid Valve Quick Connect N/C normally Closed

DIGITEN G3/8 Inch Quick Connect Water Flow Sensor Switch Flowmeter Counter 0.3-10L/min

Anndason 6 Pieces Plastic PP Float Switch Fish Tank Liquid Water Level Sensor,Model: DP5200

YZM Female Tube Quick Connector fittings Water Purifiers Filters Reverse Osmosis Systems accessories set of 5 (5, straight,1/2" female x 3/8" OD tube)

DIGITEN G3/8" Quick Connect Hall Effect Sensor Water Flow Sensor Food-Grade Flowmeter Water Flow Counter Meter 0.3-10L/min - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

John Guest Acetal Copolymer Tube Fitting, Imperial Single Check Valve, 3/8" Tube OD

Malida Water Pressure Gauge Stainless For Aquarium Meter 0-1.6MPa 0-220psi Reverse Osmosis System Pump With 1/4

John Guest LLDPE Plumbing Tubing, 3/8-Inch Diameter, 25-Foot Spool, Blue