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Look for links to printable pdf
literature in equipment specifications sections, above in this column, & on
site map.
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SUPPLYING CLEAN AIR TO BUSINESS & INDUSTRY
Extended Service Filter
A TECHNOLOGICAL BREAKTHROUGH!
The new Extended Service Filter (E.S.F.) is a superior design
that features extended service life, heavy-duty construction and fast, easy
installation. Constructed of durable fire-retardant raw materials and a
mini-pleat microglass fiber filter element. The new E.S.F. Filters are available
in four efficiencies and are suitable for all standard filter applications.
E.S.F. FEATURES &
SPECIFICATIONS
The new Extended Service Filter (E.S.F.) is specifically designed to perform
under demanding operating conditions including variable air volume (VAV),
turbulent air flow, repeated fan shut down, and high relative humidity.
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Extended service life due to large filter media surface area 200 sq. ft.
This compares to only 58 sq. ft. of media in a box filter and 42 sq. ft. of
media in a bag filter of similar dimensions.
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Low filter pressure drop for reduced energy consumption and cost.
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Air flow capacity up to 3000 cubic feet per minute (CFM).
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High contaminant-holding capacity that results in reduced maintenance (fewer
changeouts) and disposal costs.
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Reduced size (overall depth of only 11.5 inches) due to V-bank construction.
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Increased efficiency during service life (no particle migration or fiber
breakoff).
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Higher recommended final pressure drop (longer filter life).
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Fits into all M series media air cleaners and all commonly used filter
frames and housings. |
 The
unique high effciency microglass fiber media used in the new E.S. filter is
effective against a wide range of particles shown left.
 An
important feature of the E.S. filter is its extended service life compared
to conventional ASHRAE bag filters and box filters. The graph at left
shows the effect of increased filter media surface area on filter service
life. It's interesting to note that a 50% increase in filter media surface
area increases service life by 100%. Likewise, a filter that has twice the
media surface area has 3.5-4.0 times longer life.
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