What it is: A refill cartridge designed to be used with your Vitruvi Push Plug-In Wall Diffuser (sold separately).What it does: Each scent refill will fill your space with a favorite scent for up to 500 hours. Scent profiles:- Forest Rain: the crisp aroma of a forest after a gentle rain, featuring notes of cedarwood, balsam fir and petitgran- Zest for Life: a sparkling blend of grapefruit, orange, eucalyptus and neroli to keep your home energized and smelling fresh all day long- Vanilla Mint: a scent that brings a warm sweetness of vanilla, tempered by a cool, invigorating mint to create a comforting aroma with notes of vanilla and mint- Sweet Cherry: a juicy scent that bursts with the sweet, tart aroma of ripe sweet cherries, complemented by notes of red berries for a mouthwatering aroma Natural Beauty & Wellness products are free of sulfates, phthalates, parabens, petrochemicals, mineral oil, silicone and talc Cruelty-free Made in the USA