Vicks Waterless Vaporizer Scent Pads Vicks Waterless Vaporizer Scent Pads are non-medicated refill pads that designed to provide you relief with soothing menthol vapors. With eight hours of comfort per pad for use with most brands of plug-in and waterless vaporizers, inhalers and humidifiers that use scent pads. Get relief from cold, cough and flu. Why You'll Love It: Breathe easier and better for soothing and peaceful sleep free from congestion. Features Waterless scent pads for use with various waterless vaporizers scent pads can fit Vicks waterless vaporizer can be used with inhalers and humidifiers promote better breathing and easy sleeping Fight against flu, cold and cough can be set easily in the desired unit Product Dimensions: 5.1 x 0.9 x 3 inches.