Stainless Steel Roof Ventilator To Icf Drg. No. Wlrrm-7-3-405, Alt. G, Col. I. Material An D Specification As Per Drawing. [ 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 ] ]