Flair-It
3/4 pex x 3/4 pex x 1/2 pex, tee, for pex or polybutylene, on 3/4" polybutylene you must use a #26790 adapter.
Apollo Press Caps
Apollo Press Couplings & Unions 3/4 in. Copper Press Coupling with Stop -20 Pack Jar
Anderson Metals 1/2 In. Brass Compression Cap
Eastman Gas Range Installation Kit
Watts PVC Air Hose