Genuine Graco Union swivel assembly.carries Graco part number 113-344also Line x part number  as these were supplied to line-x 1790275Came from the same source as the line-x polyurethane applicator rigs we list.Graco 113-3444 swivel adaptor union 1/2 npt(m) x 3/4 nps(f ) Line-x 1790275We are decanting these from bulk packs  so you will receive one unit without original packaging. ..