A litter box for use by cats which, in addition to providing a filler for waste, also includes a deodorizing or disinfecting element to overcome the odor problems associated with litter boxes. The said element is comprised of an absorbent material impregnated with a deodorizing or disinfecting agent housed beneath the litter container within a perforated cartridge which serves to protect it from contact by animals or humans. In addition, the said cartridge serves to regulate the flow of the deodorant into the surrounding atmosphere.