"2-WAY BLOW,PATTERN NO. 22,1.500 IN. BTWN VANES,REMOVABLE CORE,FRAME MATL ALUMINUM,SHUTTER MATL AND TYPE ALUMINUM VANE,NONADJUSTABLE VANE,O/A H 12 INS,O/A W 12 INS"
FEAT
SPECIAL FEATURES
"2-WAY BLOW,PATTERN NO. 22,1.500 IN. BTWN VANES,REMOVABLE CORE,FRAME MATL ALUMINUM,SHUTTER MATL AND TYPE ALUMINUM VANE,NONADJUSTABLE VANE,O/A H 12 INS,O/A W 12 INS"