Release Valve 1/2 Inch, H-Type As Per Escort'S Drg No. 4A - 16014 / 1 Or Wsf Part No. 491 Or Equivalent. [ Warranty Period: 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]