Aerosol canister fits dispenser 111723 (sold separately). Microtrans™ odor neutralizer breaks down and eliminates malodors. Contains 63% less VOCs per spray than a standard aerosol. Yields 9,000 metered sprays; lasts up to 180 days in programmable dispenser. Space for installation and service dates. 4 canisters per case. Sold by the case.