SharkBite
1/2" x 1/2" x 1/2", evopex push to connect tee, fast & easy way to connect pipe without the need for special tools, glue or soldering, 200 degrees fahrenheit, 160 psi maximum pressure, lead free, pex compatible pipe material, for water supply.
Boshart 1-1/4 In. Insert x 1-1/4 In. MIP Polypropylene Hose Adapter
Compression Nut, Brass, 1/4-In.
Eastman 1/2 in. OD Epoxy-Coated Gas Connector - FIP x MIP
Eastman 3/8 in. OD Epoxy-Coated Gas Connector - FIP x MIP
Charlotte Pipe PVC-00820-0600HA DWV Schedule 40 Offset Closet Flange, 4" x 3"