The newest member of the Coleman-Mach family has the LOWEST profile in the Industry standing short at 8" tall. This lower profile means LESS DRAG and improved fuel efficiency. Two motors means The MACH 8 DELIVERS the same high BTUs of cooling on both high and low speed operation. The Mach 8 has the HIGHEST air flow delivery on high speed, and ULTRA QUIET on low speed for night time cooling. Industry EXCLUSIVE molded one piece fiberglass base pan provides excellent durability with reduced weight.A COMPLETE UNIT CONSISTS OF AN UPPER UNIT & AN AIR DISTRIBUTION BOX (ADB) OR CEILING ASSEMBLY WHICH MUST BE PURCHASED SEPARATELY.