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30/30 MERV 8 Prefilter

Energy Cost Index

Chemical Processing – True Merv 8 Filters by Camfil Farr

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* MERV, Minimum Efficiency Reporting Value,
is a number from 1 to 16 that is relative to an 
air filter’s efficiency
, according to a universal
filtration standard. The higher the MERV, the
more efficient the air filter is at removing
particles.

+ Energy Cost Index, or “ECI,” is a filter rating
system that looks at the filter’s efficiency over
its lifetime and the energy required to move air
through that filter. ECI compares filters of similar
construction, under the same conditions of
operation and provides an indicator of true
performance. Specifically, the formula is dollars
per percent of filter efficiency. The lower the
value, the better the filter. A filter with an ECI
of five stars maintains its efficiency over its
life and uses less energy to move air through
the filter. It is in the top 20% of all filters
evaluated. A four star filter has a lower
ECI value, and the pattern continues down
to one star, the poorest performers. 

 

 

MERV 8 Filter Reduces Energy Use
in Chemical Processing Facilities

Background:

Energy consumption in the chemical industry increased 13.2% from 1994 to 2008, even as the
sector reduced energy use for heat and power per unit of output.

Improving energy efficiency is a lead priority for every CP plant.  Air filters, a critical part of climate control,
are critical to  prevent product contamination, maintain quality standards and create a healthful work
environment. Now, a new air filter can also help plants to immediately and substantially reduce energy costs.

Camfil Farr, a world leader in air filtration products for facilities throughout the CPI, has introduced the
first true MERV 8* (ASHRAE 52.2-2007) “30/30” air filter.

The 30/30® was engineered specifically to deliver substantial, recurring energy savings in facilities with high
rates of air changeover.  It has very low initial resistance, and low maintained resistance, to airflow, and the
lowest average pressure drop of any MERV 8 filter.  This translates immediately into energy savings that are
both measurable and significant – typically 25% and higher.  The 30/30 is also highly effective in protecting
final filter, HEPA filters and absorbers from blinding that can reduce their effectiveness in an HVAC system. 

The MERV 8 30/30 filter is distinctive in having earned five stars on the ECI (Energy Cost Index+) –
the best-possible performance ranking.  It was created to deliver the greatest overall filtration value for
chem processing facilities with high standards for sanitation and contamination control. 

The Camfil Farr MERV 8 30/30 uses a proprietary media which is chemically inert, anti-static and
acid-resistant.  Its distinctive radial pleat design provides full use of its media for maximum dust holding
capacity; and tests show the 30/30 has 30% higher dust holding capacity than conventional MERV 8 filters.
This means a longer service life, and less-frequent change-outs.   

The 30/30 has proved highly effective as a system’s single-stage filter for a broad range of areas served
by make-up air handling units in chemical production operations and support spaces. It is an exceptional,
pre-filter for sterile manufacturing, wet labs and other areas that use high-grade final, HEPA or ULPA filters.     

The 30/30 is a pleated media filter that is all-mechanical, rather than electrostatic.  Thus it maintains
consistent, high removal efficiency throughout the filter’s life.  In contrast, other MERV 8s are made
with electrostatically charged media, whose efficiency plummets as dust loads

The Camfil Farr Performance Guarantee Program warrants that the 30/30 will maintain its efficiency
over time, and will last longer than any pleated panel filter.  The radial media pleats on the 30/30 are
secured by a welded wire grid and spot-welded on one-inch centers.  The grid is treated for extended
corrosion protection and is bonded to the media to prevent oscillation. 

The 30/30 has very high structural integrity.  A high wet strength beverage board frame creates a
stable, non-yielding media pack.  The media pack is bonded to the frame to prevent air bypass and
diagonal support members are bonded to each pleat to enhance rigidity through bridge-style
engineering.  The MERV 8 30/30 is guaranteed to 2.0” w.g. without media pack failure.  It is
well-suited to the higher filter face velocities common in chemical processing environments.  

The MERV 8 30/30 is available in UL Class 2 or 1, and is available in 1”, 2” and 4” configurations.  
Its unique combination of performance, energy savings and applications flexibility makes it ideal
for environments with frequent air changes.

The Camfil Farr 30/30 may be used to meet requirements of the U.S. Green Building Council
(“LEED®”) in terms of efficiency, energy savings and reduced disposal impact.

 

         

1 North Corporate Drive • Riverdale, NJ 07457 • ph: 866.422.6345 or 973.616.7300