Description Solid Brass Misting Nozzles: Mechanically carved from the brass rod, each brass misting nozzle contains a black gasket, good sealing Fine Misting Effect: 0.3mm (0.0118″) orifice, produces tiny and soft mist to make excellent cooling misting in hot summer. Diameter: 0.85cm(0.33″), Height: 1cm(0.39″) 10/24 UNC Standard Thread: 10/24 UNC thread of the mister nozzles, and widely matches many kinds of tee connectors. Such as the 1/4″ tee connector, 1/2″ turn 1/4″ tee connectors and standing misting nozzle connector. Easy to install by screwing into the tee Specification: 20-pack brass mist nozzles included. Working Water Pressure: 28~142 PSI; Misting Volume: 1.27~2.29 gal(US)/h. It is recommended to install less than 30pcs nozzles on one water line to make an excellent misting effect in common faucet/tap water pressure in the US Wide Range of Use in Hot Summer: Widely used to make outdoor patio cooling system, automatic irrigation system, standing misting system, portable misting system, fan misting, garden greenhouse mister system and chicken coop and livestock cooling