Malleable Cast Iron Pipe Fittings Tee Isi Marked, Size 20 Mm. Mat. & Spec: Is: 1879: 201 0 (Rev.3), Amend. No. 5 Of March 2017 , Table No. 10, Size Design. B1 ;Galvanized With 610 G/Sq.Metre As Per Is:4759:1996 (Rev. 3 ) , Amend. No. 1 Of May 2002 [ Warranty Period: 30 Months After The Dat E Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitted: Max 8 Lacs ] ]