Del Ozone Check Valve 7-1140-01

 Del Ozone Check Valve 1/4" or 3/8" tube 7-1140-01

Check valve for ozone lines with arrow.  Manufacturer Del Ozone can make this part in white, black or green but it is rated the same 1/2 psi for use with Del and other brand ozonators in hot tubs.

When installing, assure the arrow is facing in the direction of desired air/ozone flow.