This part is an Air Injector Connector, HydroAir, 3/4"spigot x 3/8"barb.
NOTE: This part is obsolete as the clear plastic does not hold up. We will send you the closest equivalent part that will work...
Multibody air injector in white made by Waterway. This air injector requires a .60" hole size and comes with a small gasket , retaining nut and three different barb adapters to suit multiple plumbing...