Febreze Fade Defy Plug Air Freshener Refill Stays True To Its Name, Delivering A First-Day Fresh That Lasts A Full 50 Days (On Low Setting). Simply Refill The Febreze Fade Defy Plug And Plug It Into Any Outlet In Any High-Traffic Area: Kitchen, Bathroom Or Anywhere Else Odors Like To Linger. Plug Will Even Rotate If Your Outlet Is Upside Down. When It'S Time For A Refill, The Automatic Air Freshener Will Let You Know With Its Handy, Low-Level Indicator Light. This Scent Refill Pack Comes With Four Fade Defy Plug Refills So You Can Keep That Freshness Going.