What kind of line did you run to the drop down reels? Schedule 40 3/4" PVC water pipe? Or is it better to use something else? I've seen where 3/4 pipe has been used but no sure if it is for a long term use. I don't have my shop roughed in for air. I think I might need to back up and think about what I'm doing here. Another words if I'm going to have a pull down reel then I need to locate a spot for it as well as the air compressor so I won't have pipe showing on the outside of the wall. I want it in the wall behind the sheet rock..... right? Wouldn't that look the best?