A unique line of metered aerosol odor counteractants that don't just cover up odors but destroy them. Lasts 30 days. Ideal for use in veterinary hospitals, kennels and homes. Directions: Remove protective cap from top of can. Prime room by initially spraying once toward each corner. Insert can into dispenser. One can adequately freshens a 30' x 20' x 20' room for one month. This product must be ground shipped only. This refill works with the following Dispensers: The Country Vet Flying Insect & Air Freshening Kits, (excluding the 2 oz dispensing kit), and the Nilotron Aerosol Dispensing Kit.