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Return Air220 V300400500
Metal 

             300 SERIES BROWN FLOOR GRILLES
•Heavy-gauge stamped face
•One-piece, stamped, straight, hemmed lanced face
•Lances 9/16" on center
•30° angle of deflection
•Foot-operated, multi-shutter air volume control
•Brown or Bright White enamel finish.
SIZES LISTED BELOW ARE HOLE SIZES.  THE COMPLETE OUTSIDE SIZE WILL BE 1.5 INCHES LARGER.
SIZES
8 X 4
10 X 2
10 X 4
10 X 6
12 X 2
12 X 4
12 X 6
14 X 2
14 X 4
14 X 6

325 SERIES BROWN FLOOR RETURN AIR GRILLE
SIZES LISTED BELOW ARE HOLE SIZES.  THE OUTSIDE SIZE WILL BE 1.5 INCHES LARGER.
 SIZES 
8 X 6
10 X 8
  10 X 10
12 X 8
  12 X 12
14 X 8
  14 X 14
16 X 8
  20 X 10
  20 X 12
​  20 X 14
  24 X 10
  24 X 12
  24 X 14
  30 X 10
  30 X 12
  30 X 14