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1.0 General
1.1 Disposable carbon air filters shall be Model C as
manufactured by Flanders.
2.0 Filter Construction
2.1 Filters shall be constructed of laminated cellulose
paper honeycomb whose cells are partially filled
with granular virgin coconut shell base activated
carbon.
2.2 Fill level shall be 50% or 75% as specified.
2.3 Carbon shall be retained by a non-woven nylon
mesh.
2.4 Filter frame shall be die-cut or U-Channel mois-
ture-resistant beverage board.
2.5 Each order shall be sealed in plastic to retain
carbon efficiency prior to installation.
3.0 Carbon Fill
3.1 The minimum pounds of carbon per square foot of
filter face area shall be not less than:
C50-1” 0.80, C50-2” 1.75
C75-1” 1.13, C75-2” 2.50
Guide Specifications
Standard Size Capacities and Dimensions
Actual Actual
Nominal cfm
Carbon weight (lbs.)
Depth HxW
at 300 fpm
per filter
(inch) (inch)
C50 C75
11-1/2 x 23-1/2 600 2.00 2.75
15-1/2 x 19-1/2 660 2.25 3.00
3/4 15-1/2 x 24-1/2 830 2.75 3.75
19-1/2 x 19-1/2 830 2.75 3.75
19-1/2 x 24-1/2 1040 3.25 4.75
23-1/2 x 23-1/2 1200 4.00 5.50
11-1/2 x 23-1/2 600 4.00 5.50
15-1/2 x 19-1/2 660 4.50 6.00
1-3/4
15-1/2 x 24-1/2 830 5.50 7.50
19-1/2 x 19-1/2 830 5.50 7.50
19-1/2 x 24-1/2 1040 6.50 9.50
23-1/2 x 23-1/2 1200 8.00 11.00
Installation
The Model C carbon filter can be
installed with, or in some cases, instead
of an existing dust filter. If the filter track
is 2” thick, it is often possible to slide in
a 1” prefilter and a 1” carbon filter.
Built-up filter banks with holding frames
are particularly easy to retrofit using
Model P fasteners. Model C carbon fil-
ters are ideal for use in the prefilter
track of the two-stage Sureseal filter
housing.
Notes:
1. Special size Model C filters are available. Contact your local representative or the factory.
2. Recommended maximum rated velocity is 500 fpm.
3. Pressure drop for clean Model C filters at 300 fpm face velocity is:
C50-1inch, .30 w.g. C50-2 inch, .25 w.g.
C75-1inch, .35 w.g. C75-2 inch, .30 w.g.
Flanders - Foremost in Air Filtration
Corporate Headquarters, St. Petersburg, FL
the filter and hvac store