Tube and Pipe Brush Bristle Material Polyester Handle Material Not Applicable Brush Diameter 1.57 in Brush Length 7 in Handle Length Not Applicable Bristle Color White Chemical Resistant Yes Acid Resistant Yes Application Pipes and Tubes Bristle Firmness Medium Bristle Length 1 5/8 in Brush Width 1-19/32 in Color Coding System Yes FDA Compliant Yes Handle Color White Overall Length 7 1/8 in Temperature Resistant Yes