Underground Coupl 1x1 The HOME-FLEX underground 1 in. Pipe Coupler allows you to safely and easily connect two pieces of polyethylene gas piping. Simply slide the lock collar onto the pipe and screw it into the other side of the connection. Repeat the same for the other side. Large thread size for quick installation and removal Able to remove and re-install again and again without having to re-cut pipe Durable polypropylene construction to last for years to come Quick and easy to install and remove For 1 in. pipe Much lighter than steel pipe Dimensions Fitting 1 size 1" Fitting 2 size 1" Product Depth (in.) 9 Product Height (in.) 11 Product Length (in.) 9 Product Width (in.) 9 Features New USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.