Brochure

Ceiling Diffusers - Steel
62
Ceiling Diffusers - Steel
20 Round Diffuser
Steel construction
For ceiling or exposed duct
installation
Five-step positioning of air
pattern adjustment
360-degree pattern,
horizontal to vertical
pattern change
Removable center core
Diffusers are equipped with
margins designed to minimize
smudging
Diffuser outer shell fastens directly
to duct or to optional #18 duct ring;
margins fit tight to ceiling for
optimum ceiling appearance
Optional #19 damper; duct-mount
only
Bright White finish
18 Duct Ring
Steel construction
Attaches to duct
Bright White finish
Use with #20 diffuser
Listed
Size
Ceiling
Opening
Diameter
Overall
Diameter
CDE
6 11
12
5
/
8
3
/
8
1
3
/
8
1
3
/
4
8
14
3
/
4
17
1
/
2
1
13
/
16
2
5
/
16
10
18
3
/
8
21
5
/
8
2
3
/
16
2
15
/
16
12
21
15
/
16
25
1
/
4
5
/
8
2
9
/
16
3
1
/
2
14
25
1
/
2
28
1
/
2
11
/
16
2
7
/
8
4
1
/
4
17
29
1
/
8
33
7
/
8
7
/
8
3
3
/
8
4
3
/
4
18
32
3
/
4
37
1
/
2
1
1
/
16
4
3
/
16
5
3
/
8
20 Available Sizes (in.)
6 8 10 12 14 16 18
18 Available Sizes (in.)
Engineering Data on Page 133