Check your eligibility criteria for tender Supply of Set Of Purge-O-Mat Automatic Float Air Vent Valve And Vacuum Valve For Roof Water Tank 1 Purg-O-Mat Automatic Float Air Vent Valve With Shut-Off Valve H Aving Thread Bsp 3/8 Inch To Rcf Drg. No. Lw63150, Item-4, Alt-E, Qty/Set : 1 No. 2 Vacuum Valve G-1/2 Inch To Rcf Drg. No. Lw63150, Item-3, Alt.E, Qty/Set : 2 Nos. Warranty Period: 30 Mo Nths After The Date Of Delivery