Rain Bird FE10-25S Drip Irrigation 1 Gallon Per Hour Flag Dripper/Emitter, 25-Pack Low flow 1.0 GPH "flag" style dripper/emitter with shutoff Non-pressure compensating Dual barbed ends for use with 1/4" and 1/2" Drip irrigation tubing Twist off flag top for fast, easy cleaning Large water passages to help prevent clogging Constructed of highly durable UV and chemical-resistant materials to assure long life