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Sidewall Registers & Grilles
20
Sidewall Registers & Grilles
673 Return Air
Filter Grille
•
All-steel
construction
•
1/2" spaced fins set
at 40 degrees
•
Effectively conceals
filter
•
Use standard
1" thick disposable
filters (not included)
•
Removable face for
easy installation and
cleaning
•
Equipped with adjustable filter
retainers
•
Bright White finish
681 Register
•
All-steel construction
•
Used for ceiling or sidewall
installations
•
Ideal for shallow duct installations
•
One-way deflection
•
1/2" spaced fins set at 40 degrees
•
Multi-shutter valve
•
1-5/8" depth when fully opened
•
Interlocking valve louvers for
positive shut-off
•
Bright White finish
•
Call factory for sizes available in
aluminum–Model A681
672 Return Air
Grille
•
All-steel
construction
•
1/2" spaced fins
set at 40 degrees
•
Exceptional free
area
•
5/16" Margin
Turnback
•
Bright White finish
6 8 10 12 14 16 18 20 24 25 30 36
4 X X X X X X X X
6 X X X X X X X X X X
8 X X X X X X X X X X
10 X X X X X X X X X
12 X X X X X X X X X X
14 X X X X X X X X X X
16 X X X X X X X X
18 X X X X X X
20 X X X X X X X X
24 X X X X X X X X
25 X X X X
30 X X X X X
672 Available Sizes (in.)
WIDTH
HT
Contact factory for sizes not listed.
10 12 14 16 18 20 24 25 30 32 36 40
6 X X X X
8 X X X
10 X X X X
12 X X X X X X
14 X X X X X X
16 X X X X X X X
18 X X X X X
20 X X X X X X X X X X
24 X X X X X X X X
25 X X X X X
30 X X X X X X X
32 X X X
36 X X X X
40 X
673 Standard Sizes (in.)
WIDTH
HT
Contact factory for sizes not listed.
•
Some sizes are available
factory installed filters
(Model 659FIL). Contact
factory for details.
8 10 12 14 16 18 20
4 X
6 X X X X X X X
HT
WIDTH
681 Available Sizes (in.)
Engineering Data on Page 46-47