Tenders for Supply of Two Way Air Filter With Drain Cock Size 1/2 Inch X1/2 Inch Complete With Sintered Bronz E Filter Element 50 Micron For Wsf Type Equipment For Emu/Memu Spec./Drg No- As Per Drg No-Er/K Pa/El/Pn.3He.2300 H. Specn: Nitril Rubber For Rubber Items. Warranty Period: 30 Months After The Date Of D Elivery