The Scott Essential Air Freshener Refill from Kimberly-Clark (6 cartridges per case), in fresh Ocean Scent, offers an economical, effective odor neutralizer, designed to work with an easy-to-use wall mounted dispenser This automatic air freshener lasts for up to 60 days on a single cartridge The continuously dispensing system works around the clock This system is low-maintenance: it's self-powered (no batteries to replace) and changing the cartridge is a snap with one-minute installation This commercial, non-aerosol air freshener is designed to fit into compatible Kimberly-Clark Professional dispensers. They are ideal for business or industrial restrooms