Say hello to Nilodors new, sleek, battery-powered air freshening system. The low-profile design will be sure blend into any facility dcor. The blue indicator light pulses when the internal fan is on. It holds Nilodors Solid Airs and Ultra Air Fresheners, there are adjustable trays for multiple refill options. Features an ON/OFF switch and 2 easy to replace C batteries. 24/7 Air Freshening never looked so good. White.