Ikelite Vacuum Valve for 3/8 inch Control Gland holes
Housing, pump, not included; shown for illustrative purposes only.
Vacuum valve fitting for housings which do not have an available 1/2" diameter hole. Remove one control & control gland which mounts in a 3/8 inch hole. Then install this valve. The included waterproof plug is secured to the fitting to prevent accidental loss.