ORIFLO FLOW-THRU SOFT BRUSH Designed for industrial parts washers with solvent circulating pumps. .The ORIFLO Soft Tip flow-thru detailing brush is designed for use with polished or delicate surfaces. .Bullet-shaped tip resists mushrooming. .Softer tip, tapered polyester filament that won't scratch polished surfaces. .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 89540