Martin Sprocket & Gear Martin 1090M10-SEALUPC: 697950916477 | UNSPSC: 31163002 | GTIN:Couplings > Grid Couplings > Grid Coupling Seal KitsMartin Blue-Flex™ Installation Seal Kit, For Use With: Blue-Flex™ 1090M Grid Coupling, Nitrile RubberSpecs:Material: Nitrile RubberSuitable For Use With: Blue-Flex™ 1090M Grid CouplingPackaging:Length: 10.25 inWidth: 10.125 inHeight: 7.25 inWeight: 0.5 lbCertifications/Standards:ANSI Specified | B29.1 - 1975Warranty:1 year