MULTI-FLOW #5 MJ FLOW-THRU BRU MULTI FLO combines our best features - flow control, ergonomic design and bristle-washing jets into one brush. .Designed for industrial parts washers with solvent circulating pumps. .Strain-reducing ergonomic design. .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 89650