Mini Skater 25/50 PCS Barbed Barb Drip Irrigation Micro-Bubbler on a Spike, 360 Degree Full Circle Pattern (25PCS Barbed Barb) Directs water exactly where you need it in a wide variety of planting areas Applies water similar to a spray head on an underground system 360 Degree full circle watering pattern Adjustable spray distance from 0 to 6 feet Adjustable flow rate from 0 to 13 gallons-per-hour