Usage Tips:screw Into any 10/24-threaded mist nozzle opening : made of brass, never rust. the brass nozzle is the best choice for outdoor use with cold water Operation Pressure: 20-70kg/cm, flow Rate: 80-145ml/min Minimal water use of 1/2 gallon of water per hour per mist nozzle Leak-proof, self-sealing o-ring included with each brass nozzle; no tape or sealant is required The mist nozzle is the most efficient and water conservative mist nozzle available today. the brass nozzle only uses one half gallon per hour per nozzle and features a sturdy brass body with stainless steel orifice. The nozzle requires simple maintenance; soaking periodically in misting nozzle cleaner to remove mineral deposits that may accumulate with usage. The misting performance is excellent. This type of nozzle is applied in the low pressure for-making Leak-proof, durable. For Garden, Park For Home, Lawn, Patio colour:Gold Material:brass size:Nozzle diameter: 0.3mm Package Contents: 20*Brass Misting Nozzles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.