Underhill ME-SS MicroEase Spray Spike 360 Emitter Replacement, Bag of 25 Microease spray spike 360 emitter replacement Design allows for simple adjusting and cleaning of the head; 360 degree head puts an even mist of water that is easy to control 0-14 feet diameter spray pattern Replacement for drip irrigation systems Measures 8-inch x 6-inch x 2-inch; Pack of 25