Polyamide - 6 ( Pa-6 ) , Halogen Free, Fire Retardant Flexible Corrugated Conduit, Normal S Ize-Nw36, Outer Dia. 42.4 +/_ 0.2 Mm, Conforming To Rdso Specification No. Rdso/Pe/Spec/Ac/0138- 2009 (Rev. 1) [ Warranty Period: 30 Months After The Date Of Delivery ] ]