Do you have a large compressor or want to build the ultimate shop like the pros? Then you'll be impressed with this 3/4" Garage Air Line Kit. This kit comes with everything you need to plumb your shop with 3/4" tubing and three air outlets. The premium tubing is constructed of HDPE (High Density Polyethylene) wrapped around an aluminum core for the ultimate in durability and flexibility without any sagging. The tubing can be mounted directly to walls or even buried under concrete, it won't rust or build up scale.