Brochure
T-Bar Return-Air Filter Grilles
87
T-Bar Return-Air Filter Grilles
Engineering Data on Page 156
659T
Steel
Lanced Filter
Grille
•
Steel construction
•
Lanced-face design with
1
/3" blade spacing
•
Flush, removable face with concealed
latches and hinges can be installed in
any direction
•
Uses standard 1" disposable filters
(not furnished)
•
Bright White finish
659T Available Sizes
20" x 20" with extended frame (overall 23¾" x 23¾")
for 24" x 24" openings
44" x 20" with extended frame (overall 47¾" x 23¾")
for 48"x24" opening
659TI
Steel
Lanced Filter
Grille
with Insulated Back
•
Steel construction
•
Lanced-face design with
1
/3" blade
spacing
•
Flush, removable face with
concealed latches and hinges can
be installed in any direction
•
Molded fiberglass back
•
Accepts 6" to 14" unique tab collar (6400 series) or
6" to 12" unique snap-in collar (5400 and 5400PP
series); also accepts standard spin-in collar
•
Frame includes four seismic safety connections
•
Uses standard 1" disposable filters (not furnished)
•
Bright White finish
See page 88 for fiberglass
specifications.
673T
Steel
Filter Grille
•
Steel construction
•
Lanced-face design
with ½" blade spacing
•
Flush, removable
face with concealed
latches and hinges
can be installed in
any direction
•
Uses standard 1"
disposable filters
(not furnished)
•
Bright White finish
673T Available Size
20" x 20", overall 23¾" x 23¾"
659TI Available Size
20" x 20" with extended frame (overall 23¾" x 23¾")
for 24" x 24" openings