Our simple but elegant reed diffuser kits contain an old fashioned style bottle to hold the reeds & fragrance oil, a 4oz bottle of concentrated fragrance & 10-reeds. These unique home fragrance diffusers will last over 90 days without the worry of open flames or electrical shorts. Reed Diffusers are idea for smaller rooms such as bathrooms, bedrooms offices etc. For best results, flip the reeds every 2-3 times per month.