Carcinogen 1,4-Dioxane / Ethylene Oxide Free Tested by Independent Laboratory 1,4-dioxane and ethylene oxide may be found as contaminants in refreshers. Made with activated carbon, this Attitude product purifies the air by absorbing pollutants and eliminating odors. Effective for areas up to 400 SQ. FT. (37M²). Co2 Neutral - We plant trees for your children.