Hunter`s KloakÂ® Apple Scent is specifically formulated to cover human scent while attracting deer, hogs, bears and other game to the irresistible scent of a familiar foodà putting them more at ease. The synthetic Apple scent cartridge is 2.5 fluid ounces (75ml) and sealed with a screw-on cap that can be reused to cap the cartridge for storage. The cartridge is mess-free, easy to install, and is interchangeable while on the hunt. For easy at-a-glance recognition, the cartridge is clearly labeled with the name of the contents. Each of the Hunter`s KloakÂ® scent cartridges last approximately 4.5 hours and can be used in the Hunter`s KloakÂ® Gen 2 Kloak Mister or the Rut Rouserâ„¢ Dual Mister.