Constructed of lightweight aluminum with brass and stainless steel Forestry products meet or exceed USDA FS 5100 Series Specifications. Dual Flow Nozzles are constructed of hard anodized aluminum with brass and stainless steel internal components. Most come with a heavy duty rubber bumper for added protection Ideal for firefighting, and industrial uses. Adjustable from fog to straight stream to off with twist shutoff. (Dual flow nozzles starting from the off position twist to Low Flow Straight Stream, to Low Flow Partial Fog, to High Flow Straight Stream to High Flow Fog, all in one continuous twisting motion)