This part is a 1" Street X (4) 3/4" Barbs manifold.
The Manifold recieves a 1" pipe on the slip side which would measure about 1 1/4" inside Diameter and then glues inside of a slip on the street side on the other side with (4) 3/4" Barb Fittings.
Watch the Videos for How To Instruction on what to purchase and how to do the repair.
