Wildlife Research Gold Scent Killer - Re-Filler Combo -Scent Killer Gold spray with Hunt Dry Technology/Apply it, Dry it and Go Hunt. Hunt Dry Technology - formulated for maximum performance after it dries, so you don't have to hunt with wet clothing. With Hunt Dry technology you can spray it onto your clothing - hours, days, or weeks before your hunt. Over 99 percent effective at stopping replicated human odor in testing at Rutgers University - 10 days after drying. Takes Scent Elimination to an Extreme Level. Includes a filled gallon & a filled 24 oz filled sprayerSpecialized blend of advanced odor fighting ingredientsAttacks a wide range of odors and at the same time helps prevent new odors from formingWorks both wet and dryScientifically formulated to last longer