Check the listing for details. Rainbird 360 deg. 5" umbrella spray spike drip irrigation variable flow -3 pack. Condition: New. Listed at 9.99 USD. Rainbird 360 degree 5" umbrella spray spike drip irrigation adjustable/variable flow. 3 pack. You are purchasing 3 emitters with a barb spike to connect the emitter to the main drip line. puncture (pointed) end feeds from main line, flat end feeds into 1/8" connecting (spaghetti) tubing. 3 x 12" spaghetti line included in pack. Rain Bird Xeri-Bubblers are ideal for watering shrubs, trees, container plantings and flower beds. Water-efficient low volume streams are directed in either half circle or full circle patterns. A full circle umbrella pattern is also available for gentle watering of delicate plants.Xeri-SPYK Features Include:Xeri-Bubbler - Full-Circle Umbrella Pattern on a 5 in. SpikeIdeal for shrub plantings, trees, containers, and flower bedsAdjust flow and radius by turning outer capClean by completely unscrewing cap from base unitSpecifications:Inlet Thread: Barb x BarbFlow Control: 0-3.5 GPMPressure Rating/Range: 15-30