DIGITEN 1/4 Quick Connect 0.3-10L/min Water Hall Effect Flow Sensor Meter

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

Hadronix 1/4 Quick-Connect Food-Grade Water Flow Meter Hall Sensor HDRX-YF-S402B - Connectors Included - Arduino, Raspberry Pi, and Reverse Osmosis Filter Compatible

DIGITEN G1/2" Water Flow Hall Sensor Switch Flow Meter Flowmeter Counter 1-30L/min

Neeshow 1/4" OD Quick Connect Push In to Connect Water Tube Fitting Set Of 20 (Y+T+I+L Type Combo)

DIGITEN DC 12V 1/4" Inlet Feed Water Solenoid Valve Quick Connect N/C Normally Closed no Water Pressure

NEESHOW 1/4" OD Quick Connect Push In to Connect Water Tube Fitting for RO Reverse Osmosis Water Filter Fittings Pack of 20

DIGITEN Water Flow Control Meter LCD Display Controller+G1/2" Water Hall Sensor Flow Meter Flowmeter Counter 1-30L/min+G1/2" Solenoid Valve Normally Closed N/C+DC 12V Power Adapter

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

Gikfun 12V DC Dosing Pump Peristaltic Dosing Head with Connector for Arduino Aquarium Lab Analytic DIY AE1207