The Quick-Sling QSMS3001-18 is an 18 in. (height) x 56 in. wide multi-unit super stand for mini-splits. It provides a safe, stable platform for mounting multiple ductless condensers on one stand. This base stand accommodates up to six outdoor mini-split condensing units on a single base stand. Additional condensing units can be added to this base stand with the use of the QSMS3001-18EXT extender kit (2 additional units per extender kit).