Set Of Brass Mist Nozzles For Cooling System (10pcs) Brass / Ss 0.012 Inch (0.3 Mm) Orifice, 10/24 Thread Misting NozzlesOperating Pressure: 20-70 Kg/, Flow Rate: 80-145 Ml/Min. Minimum Water Consumption Of 1/2 Gallon Of Water Per Hour Per Nozzle. Leakproof, Self-Sealing O-Ring Included With Every Nozzle; No Tape Or Sealant Needed.A Filter On Your Mist System Is Highly Recommended. Plugged Nozzles Are Not Covered By Any Warranty.The Brass And Stainless Steel Misting Nozzle Is The Most Efficient And Effective Nozzle Available Today. It Uses Only Half A Gallon Per Hour Per Nozzle And Features A Heavy Duty Brass Body With Stainless Steel Orifice. The Nozzle Requires Simple Maintenance; Periodically Soak In Misting Nozzle Cleaner To Remove Mineral Deposits That May Build Up With Use.