Feature: pressure washing is compatible with 1/4 inch standard quick connect fitting. Suitable for 2-3 GPM pressure washer. Convenient tips: When downstream your chemicals, you can use tip holder to have all these nozzles within reach. Putting all the nozzles together and quickly switch from one size to another. Application: Down stream nozzle kit is perfect for cleaning hard-to-reach areas, which makes cleaning more easier with different pattern tips. Downstream methods will keep harsh chemicals out of your pressure washer. The Jrod tips kit includes: 0010 (High Rinse, Sprays Straight Stream, Spray Angle 0 Degree); 0030 (High Soap, Sprays Straight Stream, Spray Angle 0 Degree); 2510 (Low Rinse, Sprays Wide, Spray Angle 25 Degree); 2530(Low Soap, Sprays Wide, Spray Angle 25 Degree).