BioDeodorizer gets rid of odors by digesting their sources. Safe for use on tile and carpet, trash receptacles, recycle bins, hampers, even drain lines! Eliminates odors from pet beds and pet accidents on carpet and grout, and freshens litter boxes. BioDeodorizer is non-toxic, fully biodegradable, has a neutral pH and contains no harmful phosphates. The refill contains a 32 oz. bottle; simply re-use your existing heavy-duty sprayer!