Wildlife's Scent Killer Gold Spray Combo with Hunt Dry Technology Plus works both wet and dry. Specialized blend of advanced odor fighting ingredients, attacks a wide range of odors - most importantly human odor. It is scientifically formulated to last longer and is 99% effective at stopping replicated human odor, 20 days after drying. This high-output sprayer will spray upside down. Combo- 24oz refiller bottle and 24 oz filled bottle.