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General
PrecisionCell extended media separator type rigid
filters are designed for use in most commercial or
industrial HVAC systems where medium to high effi-
ciency filtration is required. PrecisionCell filters are
available in average efficiency ranges of 60-65%,
80-85% and 90-95% per ASHRAE Standard 52.1
test methods and are available in standard and high
capacity versions.
These filters are suitable for variable air volume sys-
tems. Operating face velocity ranges are from 0 to
625 FPM for 12” deep filters. Three styles are avail-
able: box, single and double header. PrecisionCell
filters are UL 900 Class 1 listed.
Installation Considerations
PrecisionCell rigid filters may be installed in
Flanders Type 9 Holding Frames, K-Trac Filter
Framing Modules, Sureseal Side Access Housings,
or in similar existing hardware.
Type 9 Holding Frames are riveted together to form
a bank and may be installed for upstream or down-
stream service. K-Trac Filter Framing Modules are
especially suitable for medium to large built-up filter
banks. Smaller systems and systems with minimum
upstream access space are best served using
Sureseal Side Access Housings.
The single header version should be selected for
use with hardware framing systems and side access
housings. If the filter is installed so that it protrudes
upstream of the Type 9 Holding Frame, the double
header filter is required.
Construction Options
PrecisionCell filters are designed for temperatures
up to 350 degrees Fahrenheit For high temperature
or gas turbine models, see PrecisionCell GT and HT
bulletins.
Physical Data
Frame: 24 ga. corrosion-resistant steel
Media: Moisture-resistant micro-fine fiberglass
Separators: Hemmed corrugated aluminum
Headers: 13/16 “ wide corrosion-resistant steel
Operating Limits: 100% RH and 350º F
Actual Face: Nominal size less 5/8”
Actual Depth: 5-7/8” or 11-1/2”
PrecisionCell
Extended Media Separator Type Rigid Filters
UL Class 1, Std & Hi Cap: 8*055.xxxxxxx1, 87*55.xxxxxx1
UL Class 2, Std & Hi Cap: 8*055.xxxxxx, 87*55.xxxxxx
(Insert 6 for 65%, 8 for 85%, 9 for 95% ASHRAE Efficiency)
Important Features
• Rugged galvanized steel casing mini-
mizes damage during shipping and
handling
• Corrugated aluminum separators stabi-
lize the moisture-resistant media pack
and prevent damage in applications
downstream of the supply fan.
Flanders - Foremost in Air Filtration
Corporate Headquarters, St. Petersburg, FL
the filter and hvac store