I might get some other stuff however. The Tower things is usually a pita to cut. Instead brittle and tends to shatter. The fitting is comprised of one piece when the other connection strategy requires two pieces, the saddle-tap and reducer. John Williamson explained: 20mm for 4m2? 25m? That is https://oval-conduit01122.blogdeazar.com/36814008/a-simple-key-for-oval-conduit-unveiled