2pk leaf shape Membrane Air Freshener, Air Freshener for Home, Odor Eliminator. Keep your space smelling fresh and fragrance with the Membrane Fresheners. Featuring a no-plug, no-battery design that releases a continuous stream of fragrant essential oils for up to 30 days, these air refreshers are ideal for small rooms, bathrooms, closets, lockers, entry ways and more. Blasts stink away from any small space, including bathrooms, bedrooms, closets, and as car air fresheners. The easy, all-in-one odor eliminator that delivers long-lasting freshness.