Check the listing for details. Senninger Irrigation Inc. Micro-Sprinkler - Inverted w/1/2" MPT. Condition: New. Listed at 16.40 USD. Senninger Micro-Sprinkler - Inverted 1/2" MPT BaseInverted Micro-Sprinklers on 1/2" MPT can be installed on PE or PVC drop assemblies attached to PE or PVC mainline. Perfect for greenhouse, hoop house or high tunnel watering. Installation should be a minimum of 18" below any obstructions to help prevent drippage off overhead structures. Senninger micro-sprinklers offer outstanding performance in a low volume irrigation system along with easy installation and a wide variety of options to fit your needs. These Senninger micro-sprinklers deliver gentle droplets in a consistent and uniform pattern. Constructed with engineering grade, UV resistant thermoplastics for durability and long life. Features: Bridgeless design eliminates dry spotsDeflector is designed for maximized startability and smooth operationConvenient tool free assembly/disassembly for easy cleaningColor coded nozzles for easy identificationRecommended Filtration: 150 meshTwo-year warranty on materials, workmanship and performance