"STAINLESS STEEL COMPOSITION 304 WIRE MESH,2 SCREENS 0.028 IN. DIA WIRE 4 BY 4 MESH,1 SCREEN 0.020 IN. DIA WIRE 14 BY 14 MESH,ALUMINUM ALLOY REINFORCEMENT PANELS,FOAM TAPE,10 MTG HOLES 0.280 IN. MIN,0.287 IN. MAX DIA,2 MTG HOLES 0.693 IN. MIN,0.713 IN. MAX DIA"