Amazon.com: Fitting Connector 1/2” 3/4”1”1.2”1.5” Male To 20/25/32/40/50mm PE Pipe Straight Connector Irrigation System PE PVC Pipe Adapter (Color : 1 inch x 32) : Industrial & Scientific
PE fittings quick Union Plastic fittings four-way union joint 20/25/32/40/50/63mm - (Color: Black; Thread Specification: 20mm) - - Amazon .com
Amazon.com: SUNGATOR Reducing Coupling, 3/4-Inch by 1/2-Inch Push Fit Straight Coupling, Push-to-Connect PEX, Copper, CPVC, PE-RT, Lead Free Brass Pipe Fittings (2-Pack) : Industrial & Scientific
SharkBite 1/2 Inch Coupling, Pack of 12, Push to Connect Brass Plumbing Fitting, PEX Pipe, Copper, CPVC, PE-RT, HDPE, U008LF - Pipe Fittings - Amazon.com