This is the gun that most commonly comes with the grey hopper

Steel Braid Construction

Fill FlexLiner Bag with cleaning fluid like PumpArmor

Binks 107754-C-C  BPR 1

5 (5/16-inch) blast nozzle will provide approximately 15 minutes of productive blasting at 80 psi

Allegro Deluxe SpanBak Back Support, Large (40" to 44") 48″(W) x 23″(H) x 24″(D) This is the gun thatThe high quality, lightweight back support you have been waiting for! Features a two part closure designed of breathable, heavy duty spandex style material. Four polyethylene plastic stays are lined with rubber anti ride up grippers. Wide elastic, removable suspenders are fully adjustable. The full 9 width and five sizes provide comfort and fit of the highest quality.