Mister Landscaper MLM-44 Half Circle Fan Micro Spray (12 Quantity) Made in the USA Uses Only 10 to 15 GPH while efficiently watering flowers, plants, trees and shrubs When installed on top of our mister-riser assemblies (mls-231) or any of our micro-stake assemblies (mls-211, mls-tan or mls-bla) If your water pressure is higher than 50 psi, we suggest you use our 50 psi pressure regulator (mla-58) We highly suggest you use our faucet filter (mlff-41 or mlff-150) at the beginning of your water source