HOLYOKE FITTINGS
Holyoke Fittings 3/8 X 1/4 SAE Flare X MPT Male Reducing Adapter
I really appreciate that the 2N, 8N, 9N 1939-1950 models use a straightforward three-point hitch system.
Holyoke 48-88 1/2" x 1/2" SAE Flare x MPT Straight Male Adapter
A nice touch from Industrial Service Solutions is the easy-access controls.
Holyoke Fittings UR3-68 Brass Reducing Union 3/8 x 1/2 Male Flare x Female Flare
A nice touch is the Hzutloer storage tray that keeps small parts organized.