Brochure

23
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
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
4XXXXXXXX
6XXXXXXXXX X
8 XXXXXXXX XX
10 XXXXXXX XX
12X XXXXXXX XX
14 XXXXXXXX XX
16 XXXXXXXX
18 XX XXX X
20 XXXX XXXX
24 XXXXXXX X
25 XXXX
30 XX XX 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
6X X X X
8XXX
10 X X X X
12X XXXXX
14 X XXXX X
16 XX XXXX X
18 X XXX X
20XXXXXXXXX X
24 XXXXXX X X
25 XXXXX
30 XXX XXXX
32 XXX
36XXXX
40 X
HT
673 Standard Sizes (in.)
WIDTH
Contact factory for sizes not listed.
8 101214161820
4X
6XXXXXXX
HT
WIDTH
681 Available Sizes (in.)
Engineering Data on Page 115-116
Sidewall Registers & Grilles