The world famous B&G tank sprayers have the highest quality stainless steel combined with special grade brass, and chemical resistant gaskets and hoses to provide durable and dependable service. They are the first choice of professionals throughout the pest control industry. There are hundreds of models to select from, based on ½, 1, 2, 3 gallon and 5 Liters. capacity, 9, 18, and 24 in. extensions, and sprayers are equipped with the Extenda-Ban, XR, or Ban-Drip valve.