This ruggedly constructed, wall/floor-mounted 5-gallon aroma tank houses the AromaMist pump and makes for a simple, secure and out of the way installation. No tubes, no sloppy changing of aroma containers and no mess. Simply fill it and forget it...for up to 6 months! NOTE: When purchasing an AromaMist Aroma Bathing System, select a gallon of your favorite Aroma. If you're uncertain of which fragrance you will like, Accurate Industries recommends selecting Eucalyptus, as it is the most commonly accepted and invigorating steambathing experience available! 5-Gallon aroma tank, 12"L x 12"W x 16"H Stainless steel, low profile wall bracket Shipping Weight (Lbs.) : 15 lbs