Tenders for Supply of Ceiling / Roll Filters, Type: M5, Size: 5 Micron, Standard: En-779, I.P.D.- 40 Pascal, F.P.D.-450 Pa Scal, Thickness: 25 Mm, 1 Roll Size: 2.1M X 22M With Dismantling & Installation With G.I. Screw Of 25X8 Meters Ceiling Area.1 Set Consist Of 05 Rolls Warranty Period: 30 Months After The Date Of Delivery