Coupling Fitting Side A Connection Type Barbed Fitting Side B Connection Type Barbed Fitting Side B Pipe Size 1 1/4 in Fitting Side A Tube Inner Diameter 1 11/20 in Fitting Side B Tube Inner Diameter 24/25 in Barb Style Standard Fitting Material Brass Overall Length 3 23/32 in Specific Fitting Shape Expansion Coupling Application Potable Water Maximum Operating Pressure 160 psi Maximum Operating Temperature 200 Degrees F