Viper® Blue Devil® Selectable Gallonage Fire Nozzle - 1"General Applications Municipal and industrial firefighting use Construction Manufactured with highest quality anodized aluminum and a long lasting protective surface to provide protection against corrosion. Superior quality valve with dual seat and dual drive shaft. The valve itself is a low maintenance product with a stainless steel ball valve (except for the 2 1 2" size which utilizes a highly engineered polymer resin ball) operated through an OPEN