Raindrip, 25′, PreAssembled Bubbler Kit, Convert 1 Spray Head To 4 Precision Watering Bubbler Emitters, 4 PreAssembled Clamp Pierce Bubblers With Stakes, Connect Easily Anywhere Along Supply Tubing, Adjustable Bubblers Allow You To Adjust Water As Plants Grow, Tool Free 20 Minute Installation, Large Volume Solution For Trees Large Shrubs, Not For Watering Turf, Includes One 6 Cut To Size Riser 12 MPT, One 25′ PreAssembled Poly Tubing With 12 Riser Swivel Adapter End Plug, 4 PreAssembled Clamp Pierce Full Circle Bubbler Assemblies, Four 8 Wire Stakes One 58 Filter Washer