High Quality Material: The misting nozzles are made of brass with stainless steel orifice, anti-rust, durable, leak-proof, the mister nozzle is best choice for outdoor use with cold water | Wide Usage: Widely apply for garden, patio, lawn misting system, outdoor cooling, greenhouse, humidification, spraying disinfectant, epidemic prevention, deodorant air purification, small fountain, outdoor cooling system, agriculture irrigation system, etc. | Dimension: Thread size is UNC 10-24, Orifice diameter is 0.4mm | Easy to Install: The brass misting nozzles are easy to install, which can be easily screw into any 10/24 UNC threaded mist nozzle opening | Leak-proof, self-sealing o-ring included with each brass nozzle; no tape or sealant is required