Description: Made of brass material, durable and have a long lifetime. Widely applied for scenery, cooling, air humidification, spraying disinfection, deodorizing air purification. Also use for agriculture such as cold storage, greenhouse greenhouse, livestock breeding, flower nursery cultivation, greenhouse cultivation, fresh-keeping of vegetables and fruits, prevention of static electricity ect. Leak-proof, self-sealing o-rings included with each nozzle; no tape or sealant is required. The nozzle requires simple maintenance : soaking periodically in misting nozzle cleaner to remove mineral deposits that may accumulate with usage. Specification: Minimal water use of 1/2 gallon of water per hour per nozzle Operation Pressure: 20-70 kg/cm2 Flow Rate: 80-145 ml/min Fog points up to 3 - 7 microns 10/24 threads Misting Nozzles Color: Gold Material: Brass Diameter: 10mm/3.94inch Package Includes: 20 x Misting Nozzles Note: Please allow 1-3 cm/ 0.39-1.18 inch difference due to manual measurement. Colors can appear different depending on light and how the listing is viewed. Thanks for your understanding and attention. Wish you a pleasant shopping experience!