Mr. Steam Ms Oil3 Aromasteam Oils, 1-Liter (33 Oz.) For Aromasteam System Only, Evergreen A refreshing blend of spruce, fit and Pine reminiscent of a Forest on a crisp morning 33 ounce bottle Works together with the aroma steam injector pump Evergreen scent 1 liter bottle For use with aromasteam system Not for use with acrylic enclosures Not for use with fiberglass enclosures