Karcher Quick-Connect Dirtblaster Spray Nozzle for 3,000/3,100 PSI Pressure Washers 47632520 Quick-connect Dirtblaster spray nozzle increases cleaning power by up to 50% Ideal for hard-to-clean surfaces Pencil jet rotates approximately 4,000 rpm Provides extra cleaning power for dirt, moss, and mold on hard surfaces Designed for 3,000/3,100 PSI Karcher gas pressure washers