Rain Bird RISMAN1S Drip Irrigation Riser Adapter Drip and Sprinkler Watering, 1/2" Female Pipe Thread x 1/2" Male Pipe Thread x 1/4" Barbed End Add Drip irrigation to any riser-mounted high-pressure sprinkler system Allows both irrigation methods to be used at once, covering all plants effectively Installs between 1/2" riser and sprinkler device Constructed of highly durable UV and chemical-resistant materials to assure long life 1/2" female pipe thread (FPT) bottom inlet x 1/2" male pipe thread (MPT) top outlet x 1/4" barbed side outlet