The PUF Labs Grapefruit Essential Oil Inhaler Core delivers a bright and invigorating burst of natural sweet grapefruit. Hand-crafted with the highest quality, organic, plant-based essential oils, this core is perfect for uplifting your mood and refreshing your senses. Designed to pair with the PUF Labs inhaler (sold separately), it’s easy to swap out with other flavor cores for a personalized aromatherapy experience. Energize your day with the vibrant essence of grapefruit.