Brochure
Louvers
47
Engineering Data on Page 106-107
DL Drum Louver
• All-aluminum
construction
• Horizontal and vertical
air stream control
• Galvanized, opposed-
blade damper
(optional)
• Adjustable drum and
vane design
• White or Mill finish
Drum Louver Available Sizes
6” x 12”, 6” x 18”, 6” x 24”, 6” x 30”, 6” x 48”, 6” x 60”
10” x 20”, 10” x 25”, 10” x 30”, 10” x 35”, 10” x 40”, 10” x 50”
12” x 30”, 12” x 40”, 12” x 50”, 12” x 70”
15” x 30”, 15” x 50”, 15” x 60”, 15” x 70”
Order H x W
Listed Height Size Duct Opening Height Duct Opening Width
6
Listed Size Plus
5
/
8
Listed Size Plus 1
1
/
8
10
Listed Size Plus
3
/
8
Listed Size Plus 1
1
/
8
12
Listed Size Plus
3
/
8
Listed Size Plus 1
1
/
8
15
Listed Size Plus
3
/
8
Listed Size Plus 1
1
/
8
Duct Opening Sizing
Other sizes not available.
Louvers