Febreze Unstoppables 3Volution Air Freshener Plug-In Diffuser Starter Kit + 4 Refills, (20mlx4), Febreze 3Volution Refill, Odour Fighter, FreshUNSTOPPABLE FRESHNESS: Experience the highly concentrated perfume from the Febreze 3Volution plug in air freshener refills that fills your entire room with unstoppable freshness. INSPIRED SCENT: The Fresh scent of this 3Volution plug in is inspired by the ocean and invigorated with zesty green citrus fruits and creamy notes. ALTERNATING SCENTS: Experience a variety of fragrances as 3 scents from the Febreze plug in refill 3Volution alternate every 45