This Kit is a 2 3/8" Eyeball Jet Return Fitting Replacement Kit found on Artesian and Resort Hot Tubs.
This consists of a 2 3/8" Eyeball Jet, (18") Clear Tubing 3/4", (1) 1"Street x 3/4" Barb fitting, (1) 1" Slip x 3/4" Barb fitting, (2) 3/4" Clamps and (1) 4oz Blue Glue and purple primer.
With this kit you replace the jet glue inside the jet a fitting the becomes 3/4" barb then glue a fitting on the old 1" flex purpler prime and blue glue spin to win then glue the clear between the two barbs with clamps.
This jet will commonly leak at the 1" flex pipe connection causing a steady small leak. This jet receives a 1" pipe or fitting on the glue in side.
The hole size is 1 1/2".