Brochure

T-Bar Return-Air Filter Grilles
53
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” x 23
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,removablefacewithconcealed
latches and hinges can be installed in
any direction
• 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); 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
1
/2” 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” x 23
3
/4”)
for 24” x 24” openings
T-Bar Return-Air Filter Grilles