Diversey good sense 30 dispenser 7514379 this diversey good sense 30 day dispenser is a controlled dosing air freshening system ideal for professional environments for use with good sense refills each lasting up to 30 days this dispenser provides a cost effective method for freshening washrooms reception areas and more odour control air freshener dispenser refills last for up to 30 days easy to use controlled dose system for maximum cost effectiveness for use with good sense 30 day refill