This kit is a Gray Hot Tub Replacement Bottom Drain Kit with a 3/4" slip barb fitting which measures about 3/4" O.D.. The kit that is it comes with is used to convert the old style 3/4" to 1" Flex Lines to a 3/4" Barb set up.. This part comes with the housing, wall fitting, gasket, thread in face, 3/4"slip/1" Street x 3/4" Barb, 4" 3/4" Tubing and (2) Clamps..
You have to stand the hot tub up and dig into the foam to replace this part in most cases..
