Carlisle HVAC Products Cartridge Killer provides applicators with a quick, simple way to apply a ne bead of Spray-Seal Duct Sealant to boots, wyes, and other ttings. Cartridge Killer helps applicators save time and money on labor and materials, and provides superior aesthetics when compared to other application methods. Cartridge Killer comes with three different-sized tips 0.012", 0.017", and 0.022" so users can achieve the ideal bead size for any project, and features a stainless steel mesh lter between the gun and the tip to minimize clogging and keep work on schedule The 5-gallon caulking tube allows for less change-over time and minimal waste. Carlisle HVAC Products Cartridge Killer offers users excellent control over their sealant application, resulting in improved aesthetics, minimal product storage, and lower labor and material costs.