C.O.C. is an exclusive combination of chemical odor neutralizers and natural absorbents in a ready-to-use formula to deodorize wall cavities, ceiling voids and more. This professional-strength long-lasting dry deodorizer is effective against odors caused by sewage, smoke, decay, putrefaction, and more. C.O.C. Professional is packaged in convenient 6 ounce (180 mL) canisters.