Tube and Pipe Brush Bristle Material Polyester Brush Diameter 2 in Brush Length 5 1/4 in Handle Length Not Applicable Bristle Color Red Chemical Resistant Yes Acid Resistant Yes Application Pipes and Tubes Bristle Firmness Stiff Bristle Length 2 in Brush Width 2 in Color Coding System Yes FDA Compliant Yes Handle Color Red Overall Length 5 1/2 in Temperature Resistant Yes