Dry Deodorizer Refills - Aerosol canister fits dispenser AMR 997 (sold separately). Combines quality fragrances and essential oils with state-of-the-art odor counteractants. Two odor counteractants for maximum deodorizing power. Effectively freshens rooms up to 6,000 cu. ft. Dry spray contains no ozone depleting compounds and less than 30% total VOC content. 90-day refill. 4 refills per case.