The Rain Bird E-Z installation sprinkler riser and elbow is a flexible tubing for easy installation of sprinklers. E-Z installation riser and elbow prevents broken pipe and risers by allowing sprinklers to move independently of pipe, simplifies replacement of sprinkler heads of different heights, and allows fine-tuning of sprinkler head location during installation. The special barb fittings require no gluing or clamps. 24-inch flex riser.