Description This 1 gallon per hour pressure compensating dripper delivers consistent water flow at varying water pressures. Ideal for spot watering trees and shrubs on uneven landscapes.Specifications:Use for spot watering trees and shrubs.Pressure compensation delivers a consistent 1 GPH water flow regardless of water pressure.Reduces water flow to 1 GPH.1/4 in. self-piercing barb inlet; 1/4 in. barb outlet.Removable cap for easy cleaning and servicing.For outdoor use with cold water only.