Tube and Pipe Brush Bristle Material Polyester Brush Diameter 2.5 in Brush Length 5 1/2 in Handle Length Not Applicable Bristle Color White Chemical Resistant Yes Acid Resistant Yes Application Pipes and Tubes Bristle Firmness Stiff Bristle Length 2 1/2 in Brush Width 2 3/8 in Color Coding System Yes FDA Compliant Yes Handle Color White Overall Length 5 5/8 in Temperature Resistant Yes