This item is a 2 1/2"" Heater Union Tailpiece with a Gasket that is used on may heater tubs that measure about 3" inside diameter of the tube.. It also has a 90 degree 1" Barb fitting..
If you need a union with no gasket click this link.. Hot Tub Spa 2 1/2" Threaded X 1" 90 Degree Barb Heater Union How To Video
Heater Union Part Type Tailpiece 90 deg
First Plumbing Connection Size 1"
First Plumbing Connection Type Barb (b), Male Buttress Thread (mbt)
Second Plumbing Connection Size 1", 2 1/2", 3"
Second Plumbing Connection Type Barb (b), Male Buttress Thread (mbt)
