Mosmatic Wall Boom PoleDescription When I was planning out my wash bay, I really wanted to add a boom pole so I'd be able to just walk around whatever car I was washing and not drag a pressure washer hose all around. I ended up ordering a Mosmatic Boom Pole and mounting it in the center of my wash bay. It has become one of my favorite features of the OG wash bay. This is similar to the boom pole I use in my wash bay but mounts to a wall. It comes in lengths ranging from