B&K
3/4-inch x 1/2-inch, coupling with stop, copper x copper (cxc).
Boshart 1-1/4 In. Insert x 1-1/4 In. MIP Polypropylene Hose Adapter
Compression Nut, Brass, 1/4-In.
Homewerks Worldwide 1-1/2" SS SCH40 PVC Union
Eastman 1/2 in. OD Epoxy-Coated Gas Connector - FIP x MIP
Eastman 3/8 in. OD Epoxy-Coated Gas Connector - FIP x MIP