Plug in, connect to nature: our fragrances smell amazingly natural that you will want every plug in the house to have an Air Wick warmer. Enhance your home's scent with Air Wick Scented Oil Refills infused with 100% natural essential oils. Formula was reformulated so you can experience natural-smelling fragrances day after day. Formula has natural based ingredients and it's free from artificial dyes and phthalates. Air Wick Scented Oil Refills release continuous fragrance for up to 60 days (based on low setting) delivering a long lasting authentic fragrance experience for your home.