SharkBite
Adapter Elbow 1/2" brass barb insert x 1/2" brass female pipe thread elbow, use with true value #608-933 cinch clamps, need cinch tool true value #608-743 or copper crimp rings on cross link polyethylene pex tubing, after crimping you can immediately test each fitting to well over 100 psi, NSF listed brass inserts.
Anderson Metals 1/2 In. Brass Compression Cap
Eastman Gas Range Installation Kit
Watts PVC Air Hose
STZ Industries 311CCL-2 Galvanized Malleable Iron Fittings Compression Coupling
Genova Products PVC DWV Fittings Reducing Combination Tee-Wye