ture ruby nozzle for misting fog use , with 316 stainless steel body ,orifice only 0.2mm with which can work under 1000PSI . Ture ruby nozzles OEM for TW, China, with orifice 0.15mm,0.20mm,0.30mm,0.40mm,0.50mm which can work under 1000PSI pressure without anti-drop valve built IN. TURE RUBY NOZZLE, Impact Mist Nozzle, Pin Jet Nozzle, Low Pressure with a Fine Mist, SS material