BRAKE BEAUTY #4 FLOW-THRU BRUS BREAK BEAUTY is the ultimate parts cleaning brush with ergonomic design and solvent shutoff valve. .Designed for industrial parts washers with solvent circulating pumps. .Strain-reducing ergonomic design. .Solvent shutoff valve to control solvent flow. .Bullet-shaped tip resists mushrooming. .Durable, injection-molded handle with ribbed design for firm grip. .Long-lasting, stiff Trialoy polyester filament can be used in either petroleum- or water-based cleaning solutions. 89640