The MM system was specially conceived for installation work in the field of plumbing, heating and air conditioning. The job is simplified through use of preassembled connectors that can be fitted into the channel quickly, easily and fixed temporarily in position. These connectors lock in place with an audible click light pressure is all thats required. They hold securely, but subsequent adjustment or alignment is easy. This quick method saves valuable time. The design of each part follows a system approach, assembly procedures are self-explanatory and great attention has been paid to ensuring maximum convenience and speed of installation.