Size details: we offered different sizes for you, you can choose the orifice diameter in 0.2 mm-0.6 mm according to your needs High Quality Matal : Made of durable brass and stainless steel Advantage: Leak-proof, self-sealing o-ring included with each nozzle; Easy to install: the misting nozzles can be easily screwed into most 10/24 threaded mist nozzle opening, can save your energy and time, convenient to use Usage: this brass nozzle widely apply for landscaping, outdoor cooling system, greenhouse, humidification, spraying disinfectant, epidemic prevention, deodorant air purification, small fountain, etc, Manufacturer: tooloflife