Aera Bliss Aromatherapy Home Fragrance Scent Refill (marjoram, ylang-ylang and valerian essential oils): Disconnect and dissolve into feelings of calm and renewal. Our reed diffuser refill capsules last for 2 months, when set at level 5, and run 12 hours a day when properly placed. Based on the size of your space, our fragrance diffuser can easily adjust to control the scent strength. This Aera diffuser refill is a high-quality fragrance and essential oils designed by master perfumers. All Bliss Aromatherapy refill fragrance ingredients are approved by IFRA and are compliant with the safety standards for continuous inhalation 8 hours a day/ 7 days a week for a natural lifetime. These diffusers for home are hypoallergenic and safe for family & pets --- How Scent Diffuser Works: Invisible dry vapor - Scent dispensed intermittently with the low whir of motor - Disperses room fragrance diffuser refill throughout a room using natural airflow. --- Features - Aera Mini and Aera Smart Diffuser Compatible - Ideal for small to Medium rooms - Cruelty-free and Vegan - Sustainably Sourced --- About Us: We set out to reinvent how you scent your home. We've created a safe and simple way to create an exquisite scent you can control as easily as a stereo! Leveraging our successful commercial technology, we made the Aera Fragrance Player, the cleanest and most effective scent delivery system available. We then worked with world-renowned perfumers to create our collection of unique, livable fragrances.