O Ring Size: - 32.92 Mm I.D. X 3.53 Mm (Thickness), Material As Per Irs R 48-88 Only . For F Ange Male Connector (Pipe To Equipnment ) As Per Drg No Icf/Std-3-5-020 Item No 1. Alt A . [ Warranty P Eriod: 30 Months After The Date Of Delivery ] ]