TimeMist Micro Ultra Concentrated Metered Air Freshener Refills - Ultra-concentrated refills in premium fragrances work faster and stay in the air longer. Half the size of ordinary refills, but twice the odor-fighting power. For use in Micro TimeMist Ultra Metered Dispenser TMS 1041TM1, TimeMist Classic Series and Tim eMist Plus Series dispensers (sold separately). Can also be used as a personal air freshenerthe 2-oz. refill is perfectly sized for pockets, purses, desktops. 15- to 45-day refill (depending on spray interval setting). 12 refills per case.