CONTINUOUS FRESHNESS: The Febreze 3Volution plug in air freshener refills continuously fight odours and alternate between 3 complementary scents for noticeable freshness. LONG-LASTING: These plug in air freshener refills last up to 90 days (if used 12h per day at low setting), making them a cost-effective choice for your home. BOOSTED SCENT: Experience a boosted scent that travels further with the Febreze plug in refill 3Volution, fighting tough lingering pet odours and leaving a light fresh scent. ODOURCLEAR TECHNOLOGY: The unique Febreze Odourclear technology in these 3Volution plug in refills doesn't just mask but truly fights odours, leaving a fresh scent. WIDE RANGE OF FRAGRANCES: Febreze Plug In Air Fresheners for home are available in a wide range of high quality fragrances.