"MADE OF EITHER QQ-A-250/11 ALUMINUM ALLOY 6061-T4 SHEET 0.050 IN. THICK OR CAST ALUMINUM ALLOY 356; O/A DIMS 8.250 IN. LG; 3.250 IN. W; 1.34 IN. D; FOUR Z-SHAPED LOUVERS 2.125 IN. LG BY 0.81 IN. W,SPACED 1.375 IN. APART AND SET AT 45 DEGS FROM THE HORIZONTAL; 13 PLAIN MOUNTING HOLES 0.201 IN. DIA SPACED AROUND RECTANGULAR FRAME SURROUNDING LOUVERS; PAINTED"
FEAT
SPECIAL FEATURES
"MADE OF EITHER QQ-A-250/11 ALUMINUM ALLOY 6061-T4 SHEET 0.050 IN. THICK OR CAST ALUMINUM ALLOY 356; O/A DIMS 8.250 IN. LG; 3.250 IN. W; 1.34 IN. D; FOUR Z-SHAPED LOUVERS 2.125 IN. LG BY 0.81 IN. W,SPACED 1.375 IN. APART AND SET AT 45 DEGS FROM THE HORIZONTAL; 13 PLAIN MOUNTING HOLES 0.201 IN. DIA SPACED AROUND RECTANGULAR FRAME SURROUNDING LOUVERS; PAINTED"