Advanced technology introduced from US. Tiny fogging points. 7 sizes ranging from supertiny to No, 6 (Hole size: 0.08mm-0.6mm) Particle sizes: 3-10 microns. Fogging angle: 60-120 degrees. Fogging shows a hollow pyramid. Sufficient fogging, water and energy saving, low costs and excellent results. The nozzles will not be clogged. No water drips or leakages. The stainless steel parts of the nozzle are processed by advanced forging and pressing technology. Highly durable, 2.5 times the service life of stainless steel nozzle of the same kind. Applicable to humidifying, cooling, dust-suppression and static-elimination.