This bundle is perfect for creating a Pop-Up sprinkler irrigation system. It contains a 360° Claber 90210 Colibri pop-up micro sprinkler, a collar guard to help protect the sprinkler head from debris, and a threaded 3-way compression connector. With its low water consumption, the underground micro-sprinkler is ideal for watering small lawns and gardens, even at low pressure. The sprinkler has an external adjustment of the watering range. It provides a gentle rain effect over a 360° circular area. Height from ground: 2” (5 cm). For use with a 1/2-inch (12-16mm) hosepipe/main tube. The sprinkler is made from ABS or Acrylonitrile Butadiene Styrene, a common thermoplastic polymer. The bundle contains a Claber 90210 Pop-Up Micro Sprinkler, a Claber 90250 Collar Guard, and a Claber 91017 threaded 3-way connector.