4mm Airline One Way Air Regulator Valve Splitter Aquarium Fish Water Tank Pump

 

 

 

Name: 4mm check valve

Purpose: Stop flow, stop water, prevent water backflow, also known as one-way valve, intake in one direction, reverse stop flow

Adaptability: Suitable for use with hoses with an inner diameter of 3-4 mm.

Color classification: inner red, inner white, inner black

Note: The check valve has a certain resistance, which will slightly reduce the air volume

 

 

Professional grade non-return valve - Ideal for marine, automotive, caravans/RV, and agriculture
Arrow marked on valve, showing the fluid flow direction, 
Prevents fuel from returning back to the tank and keeps it in the line.
Easy to install, no assembly required.

Car, Motorcycle, Tractor, Camper, Lawn Mower, Blower, Pressure washer, etc...