Package includes 20 pieces brass misting nozzlesMade of brass,never rust. Best choice for outdoor use with cold waterScrew into any 10/24-threaded mist nozzle openingThe orifice of this misting nozzle is 0.012 inch/ 0.3 mm in diameter, which fits for high pressure spray systemWidely apply for landscaping, outdoor cooling system, greenhouse, humidification, spraying disinfectant, epidemic prevention, deodorant air purification, small fountain, etc. Leak-proof, self-sealing o-ring included with each nozzle; no tape or sealant is required. This misting nozzle does not need to use air compressed, can use liquid pressure to form a very fine mist, excellent misting effect, energy and water saving, low cost, good effect, no leakage. It is using a sturdy brass body with stainless steel orifice, widely using in dust removal, landscaping, cool down, artificial fog and other humidification place. Use of precision nozzle keypunch, sophisticated production. The built-in stainless steel wafer through advanced forging process, strong durability. Nozzle can fully spray use the pressure of tap water. Specification: Material: brass Operation pressure: 3 - 5 kg/cm Nozzle orifice: 0.012 inch/ 0.3 mm in diameter Screw into any 10/24 UNC Package contents: 20 x Brass misting nozzles