A2Z Ozone 1/4 Inch Check Valve

Check Valve 1/4" The arrow shows the direction of ozone flow from the nozzle to water. Typically used with water applications, the check valve is handy for preventing water damage to the ozone generator by blocking water from seeping back into the unit. The arrow shows the direction of ozone flow from the nozzle to water. To ensure no water comes back through the tubes to your unit, please replace any check valves after 6 months of use. Choose your size: 1/4" - Aqua-Series 5/16" - MP-Series, SP-Series, S-Series, Z-Series Please select according to the diameter of your tubing. They are available as a set of 2 check valves. The 1/4" purple check valves are also available as a set of 5.