Design Features: Rapid replacment of spray tips:The original,scientific quick dimantaling design make it possible for rapid and effortless separation of nozzle body and nozzle tip. Spray tip removal is done by hand no need for tools. All it takes is a quick quarter turn of the wrist to changed tips. Self-alignment of nozzle tip:The plastic nozzle features a self-ramping feature for quick turn-to look installation,a machined stop for accurate spray alignment,and aseal that attached remains to the spray tip to prevent accident alloss. Wide range of flow rates:Inlet connection sizes are available 1/4,3/8 .An O-ring butadene nitrile rubber airproofs the nozzle body and the nozzletip tips are available in QC flat fan spray tip.cone spray tip and QA hollow conespray provides flat fan spray pattern ,solid cone pattern and hollow cone spray pattern with wide range of flow rates and spray. If you are interested in it,pls don't hesitate to contact me!