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30/30 MERV 8 Prefilter

Energy Cost Index

MERV 8 Filtration for Clean Rooms

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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.

Filter Produces Major Cleanroom Energy
Savings, Extends Life of Final Filters

Background:

Camfil Farr is the world’s leading supplier of filtration for cleanrooms, from pre-filters to HEPA/ ULPA filters,
to final filters for biocontainment areas and VLS production – where particulate contamination must be
controlled to 0.1 micrometer.

Now, a new filter technology has proved to substantially extend the productive service life of
high-efficiency filters used in microelectronics and other cleanroom environments.

Equally Important Now:

this new filter technology immediately reduces the most costly item in the operations budget: ENERGY.

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

The 30/30® is a high-efficiency radial pleat panel filter engineered to deliver substantial energy savings
for cleanroom air handling units.  It has very low initial resistance, low maintained resistance to airflow,
and the lowest average pressure drop of any MERV 8 filter.  This translates immediately into optimum
“alpha efficiency,” and energy savings that are measurable, and significant – typically 15% and higher.

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 designed to deliver the greatest overall value in
medium efficiency filtration for clean rooms. 

The Camfil Farr MERV 8 30/30 has a distinctive design that provides full use of the media for
maximum dust holding capacity.  Tests show the 30/30 has 30% higher dust holding capacity than
conventional MERV 8 filters.  This means a longer service life, less-frequent change-outs and
lessened potential for contaminant migration.  

The 30/30 has proved highly effective for a broad range of areas served by make-up air handling
units in cleanroom areas and support spaces.  The media for the 30/30 filter is all-mechanical,
rather than electrostatic, and 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 particulate loads.  (Buyers of electrostatic media filtration for clean rooms are advised to obtain the
“discharged MERV” rating, in order to determine the actual, in-service performance level of the product,
to make valid comparisons.) 

A related consideration:  The 30/30 is not subject to diminishment of collection efficiency that
results from charge decay – always a factor with charged media. 

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

A high wet strength beverage board frame creates a stable, non-yielding media pack.  The media pack
is bonded to the frame, and diagonal support members are bonded to each pleat to enhance rigidity
through bridge-style engineering.  Filter bypass is virtually eliminated. This is a critical point,
because filters that fail often do so not because media is defective, but because there’s a flaw
at the interface between the frame and media.   

The Camfil Farr 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 cleanroom environments. 

The MERV 8 30/30 is a UL Class 2 or 1 filter, and is available in 2” and 4” configurations.  
Its unique combination of energy savings and enhanced service life for final filters makes it ideal
for environments where production is continuous, and scheduling downtime for recertification
and revalidation is costly and disruptive.

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.  Detailed data from
beta tests of the 30/30 technology at two US pharmaceutical facilities can be made available
to qualified inquirers.

 

         

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