Brochure

T-Bar Return-Air Filter Grilles
53
T-Bar Return-Air Filter Grilles
Engineering Data on Page 112
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 23
3
/4"x23
3
/4")
for 24" x 24" openings
44" x 20" with extended frame (overall 47
3
/4" x 23
3
/4")
for 48"x24" opening
659TI
Steel
Lanced Filter
Grille
with Insulated Back
Steel construction
Lanced-face design with
1
/3" blade
spacing
Flush, non-removable face with a
sturdy piano hinge
Molded fiberglass back R4.2, R6
(see information on page 54)
Accepts 6" to 14" unique tab collar (6400 series) or 6" to 18"
unique snap-in collar (5400 and 5400PP series; 16" and 18" only
for R4.2); also accepts standard spin-in collar
Frame includes four seismic safety connections
Uses standard 1" disposable filters (not furnished)
Bright White finish
See page 54 for fiberglass
specifications.
673T
Steel
Filter Grille
Steel construction
Lanced-face design
with " 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 23
3
/4" x 23
3
/4"
659TI Available Size
20" x 20" with extended frame (overall 23
3
/4"x23
3
/4")
for 24" x 24" openings