C.O.C. is a blend of odor control essential oils and evaporative control agents that are immobilized on a solid, absorbent time-release crystal. C.O.C. Commercial is packaged in bulk form.C.O.C. can be sprinkled across the floor, placed in an HVAC system or inserted into difficult to reach areas such as insulation, attics and crawl spaces, and above suspended ceilings.