Lasts up to 60 days. Breakthrough technology. Spillproof solid fragrance. 60 day automotive air freshener. Clips on car vents! Spillproof Solid Fragrance is a revolutionary breakthrough air freshener technology developed by California Scents. Now for the first time, each unit can now hold up to 90% pure fragrance oil and still remain in a solid form, eliminating the worry of spilling. California Scents' spillproof solid fragrance scientifically controlled evaporation process releases substantial amounts of pure fragrance oil continuously, providing incredible freshening never before possible. Made in USA.

1. Remove bottle from casing and remove plug. 2. Slide bottle back in unit, keeping the bottle upright. 3. Add clip to back of the unit then attach upright onto vent blades.