Ourfreshe Air Freshener Refill Is Designed For Larger Spaces, Containing Three To Five Times More Fragrance Than Typical Plug-Ins And Freshening More Area. Dry-Fragrance Technology Doesn'T Contain Any Acetone Or Other Damaging Propellants, Eliminating Sticky Residues, Spills And Leaks. Refills Are 100 Percent Recyclable, Include A Biodegradable Additive And Are Part Of A Fresh Products' Closed-Loop Recycling Program. Refill Is Compatible With The Ourfreshe Air Freshener Dispenser (Not Included).