1.Low Pressure Mist Nozzle seat; For outdoor use with cold water only;Food grade material ;2.Can work under normal pressure(2-3kg);Max. Working Pressure: 30 BAR (450 PSI) ;3.Slip lock quick pushing,fit for 1/4 inch misting hose4. Hard water,lime and calcium may clog the fogger nozzles,Clean nozzle periodically by soaking them in vinegar5.Best clogged mister nozzles replacement for DIY homemade low pressure greenhouse,umbrella,patio mister systems,outdoor cooling systemsMaterial:copperSize:4*0.7cmcolour:blackPackage Contents:20 * Slip-Lok Misting Nozzle Tees20 * Nozzles2 * PlugOnly the above package content, other products are not included.Note: Light shooting 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.