SharkBite
10 pack, 3/4", pex cinch clamp, makes pex barb fitting connections, use with cinch tool true value #608-743 on cross link polyethylene pex tubing connections, after crimping you can immediately test each fitting to well over 100 psi.
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"