Brochure

Ceiling Diffusers
31
ECFM Aluminum
Diffuser
Integral opposed-blade
damper with lever for face
operation
Center mullions provided on
sizes over 18" x 18"
All extruded aluminum
construction
Furnished with mounting
screws and optional gasket
Adjustable bars
Bright White finish
Engineering Data on Page 52
SD/SDD Diffuser
Extruded aluminum
construction
Annular rings to provide
minimum resistance
Face only on SD
Opposed-blade aluminum
damper available with SDD
Bright White finish
Only available in sizes shown
Note: SDD in size 20" x 20" is
furnished with two separate
dampers and operators.
SDD
6 8 10 12 14 16 18 20
6X
8X
10 X
12X
14 X
16 X
18 X
20X
SD/SDD Available Sizes (in.)
WIDTH
HT
ECFM Available Sizes (in.)
12x12, 14x14, 16x16, 18x18, 20x20, 22x22, 24x24
E
Ceiling Diffusers