NILODORTap-A-Drop Air FreshenerOriginalJust one drop per 1000 cubic feet ( 10'x 10' ) will counteract and neutralize malodors for up to 24 hours in the air.This 1/2 oz. bottle will give you up to 400 applications.Applications:Litter boxes, pet bedding, pet cages, vet clinics, bathrooms, garbage cans, garbage disposals, automobiles, etc.