A family company. Lasts up to 250 days (On low setting. Compared to previous Glade warmer system. Each refill will provide up to 50 days of fragrance on the low setting). Scratch breath & feel. Fragrance infused with essential oils. Made without: Phthalates, formaldehyde, nitro musks, artificial colors or dyes. A family company since 1886. - Fisk Johnson.