Closet Riser Derlin Ring; Item Derlin Ring; Applicable Standard ANSI/NSF 14/61, UPC; Size 3/8" Inner Diameter; Material Crosslinked Polyethylene; Used On Item Closet, Bathroom Sink; Used On Item Part No F1072512, F1072520, F1072530, F1072536, F1082512, F1082520; Application PEX-a Plumbing System; Packaging Quantity 50; Warranty 25 Year System