Lasts up to 60 days (30 days each, on low). With OdorClear. Febreze odor elimination technology. Formulated with: no dyes, no phthalates, no formaldehyde. www.febreze.com. www.pg.com. Questions? 1-877-887-2153; www.febreze.com. Terracycle. Recycle at terracycle.com. Made in Mexico.