This fitting has a 1-1/2" barb on both sides of the fitting with a hose stop flange to keep the coupler centered in the splice connection. 1-1/2" to 1-1/2" O.D. Hose Barb Coupler. ICT Billet 1.25" Aluminum Weld Barb - Weldable Fitting Nipple 1-1/4" Hose.
