ProPress Fitting Adapter with Male – 3/4 by 3/4 P x Male NPT Zero Lead Copper Plumbing Tool – Durable & Easy Pipe Connection for Residential and Commercial (10) - Amazon.com
Amazon.com: SUNGATOR Tee Plumbing Pipe Connector, 3/4-Inch Push Fit PEX Tee, No Lead Brass T Fittings with Disconnect Clip, Push-to-Connect, Copper, CPVC (2-Pack) : Home & Kitchen
1/2 Inch 6lb Lead Pipe x 15mm Copper Pipe Coupler / Connector Fitting | eBay