The versatile Smoke Pistol allows you to produce controllable smoke when hot smoking OR even cold smoking. The Smoke Pistol is the perfect companion to The Sausage Maker 30 lb. Country Smokers, which are already equipped with a side slot for quick and easy attaching of the Pistol. Cold smoke many varieties of sausage, bacon, brisket, chicken, fish and cheese with ease. Finally, dust off those difficult sausage making recipes that needed cold smoking and give them a try! Each cartridge produces smoke up to 4 hours. Wood pellet cartridges sold separately. Output nozzle is approximately 1/2″ dia. x 1/2″ L.