Everbilt 3/4 in. Copper Pressure Slip Coupling Fitting C601HD34 - The Home Depot
Amazon.com: SharkBite 3/4 Inch Slip Coupling, Pack of 3, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U3016LF : Everything Else
3/4 Inch PVC Coupling 100626 Slip
DURA 3/4 in. Schedule 40 PVC Coupling C429-007 - The Home Depot
Pipe Fittings - PVC Slip Couplings 3/4"
3/4" Copper Press-Fit Slip Coupling (No Stop) - PEXhouse.com
Amazon.com: SUNGATOR 3/4 Inch Slip Coupling, Repair Coupling, No Lead Brass Push to Connect Plumbing Fittings to Connect PEX, Copper, CPVC, PE-RT, With A Disconnect Clip, Pack of 3 : Industrial &