Installation: Cap for closing the end of 6" pipe or fitting, socket end for connecting to unthreaded pipes or fittings Material: Comes with 1 heavy-duty PVC pipe end cap, featuring high-impact strength and excellent durability to work with systems that will not exceed 140°F Design: With its lightweight and non-toxic design, installation becomes an easy process using solvent cement and primer while being furniture-grade suitable for both indoor and outdoor use Application: Versatile applications are available for irrigation, underground sprinkler systems, swimming pools, outdoor settings, and cold water supply lines Size: Size 6" PVC Pipe; Outside diameter: 7.2" (182.88 mm); Inner diameter: 6.6" (167.64 mm); Height: 3.4" (86.36 mm) Meets ASTM D2466 aMeets ASTM D2466 and D1784 standards, comply with NSF requirements.nd D1784 standards, comply with NSF requirements.