Anvil International 0390013563 Series 7401 Gruvlok Ductile Iron Rigidlok Coupling with Grade"EP" EPDM Gasket, 6" Nominal Size, Green/Red: Amazon.com: Industrial & Scientific
Amazon.com: Anvil International 0390013548 Serie 7401 Gruvlok Acoplamiento Rigidlok de hierro dúctil con junta EPDM de grado "EP", tamaño nominal de 4", verde/rojo : Industrial y Científico
New Rigidlok/Gruvlok 3" 7401 (88.9mm OD) Pipe Coupling USA | eBay
390079168 - Gruvlok 390079168 - 3" Buna T Gasket for Series 7000 through 7004 & Series 7400 & 7401