Karcher 5-Piece Quick-Connect Spray Nozzles for Gas Power Pressure Washers, 4000 PSI Rating The Karcher Promise: Cleaner. Quicker. Includes 0, 15, 25, 40 and Soap Nozzles 0 - red, concentrated pencil jet. 15 - yellow, high performance. 25 - green, multi-purpose. 40 - white, sensitive surfaces. 65 - black, low pressure detergent application. Fits most gas pressure washers up to 4000 PSI rating