1/2" Coupling QuickBite (TM) Push-to-Connect Fitting, Lead Free Brass
Watts PEX Quick Connect Pipe Adapter, 1/2 Copper Tube x 1/2 In. MPT | James Trading Comany
Watts 1/4-in Push-to-Connect Tee, 2-1/2-in Length, for Copper, CPVC, PEX, Polybutylene, PVC Schedule 40 in the Push to Connect Fittings department at Lowes.com
QuickFitting 3/4 Inch Push On Coupling | Patented Design for Superior Sealing | Push to Connect Brass Plumbing Pipe Fitting | for Copper, PEX and CPVC | 5-Pack Straight Connectors - Amazon.com