MS ALUMINUM POWDER COATED REMOVABLE CORE TYPE SQUARE SHAPE,TEGULAR TYPE SUPPLY AIR DIFFUSER (300X300 NECK, 595X595 OUTER) WITH COLLER DAMPER
MS ALUMINUM POWDER COATED REMOVABLE CORE TYPE SQUARE SHAPE,TEGULAR TYPE SUPPLY AIR DIFFUSER (300X300 NECK, 595X595 OUTER) WITH COLLER DAMPER