At J.E. Adams Industries, we use only-top-grade stainless steel for its durability, long life and low maintenance. The J.E. Adams Air Vacum is constructed with 18-gauge stainless steel that will hold its lustrous finish year after year. With the J.E. Adams Air Vacuum, you will never have to worry about a rusty piece of equipment detracting from the overalll appearance of your convenience store or truck stop. This unit will send more dollars to your bottom line instead of sending them to maintenance and upkeep.