Waterway Ozone Injector 3/4" RB x 3/4" RB x 3/8" RB 670-3010 This item in white has a 3/4" barb connection on both ends as well as a 3/8" barb port and is a hot tub ozone injector.
1/4" x 3/8" Ozonator Tubing JFT-64 clear ozone tubing by the foot 1/4" inner diameter tubing for connecting ozone generator to hot tub ozone injector/mazzei injector.