Ozone Injector, Waterway 670-3000
For the water lines, 3/4" plumbing can be glued inside or a 1" fitting can be glued on the outside. The injector has a 3/8" barb for the ozone line. A short piece of adapter tubing is included to accommodate 1/4" I.D. X 3/8" O.D. ozone tubing.