Description: Its working principle is to steel pipe insert card set inside, use card sleeve nut locking, resistance card sets, cut into the tube and sealing. It don't need to be welded with steel pipe connection, which is beneficial to fire, explosion and aerial work, and can eliminate the disadvantages of welding inadvertently bring. Features: Nozzle is not blocked, no leakage, internal rotation type automatic cleaning, spray stainless steel sheet by advanced forging process, strong durability. 2.5 times that of the same kind nozzle life. Specification: Material: brass Pressure: 20-70 kg The total length: 23mm Thread size: 4 mm(diameter) * 5 mm(length) Flow rate: 80-145 ml/min Operation Pressure: 20~70 kg/cm Package Included: 10 x Threaded nozzle Please Note: 1. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 2. The new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Features Brass material, is not easy to rust, not easy corrosion, higher service life Joint with a secure connection, high crushing capacity, good sealing and repeatability, easy installation and maintenance, safe and reliable work, etc. Its working principle is to steel pipe insert card set inside, use card sleeve nut locking, resistance Do not need air auxiliary nozzle, system device is simple. Ejective mist subtle point, fog can be up to 3-50 microns, atomization, energy conservation and water saving, low cost, good effect.