Independently Tested!* The Best Performance Air Filter Available
DRYFLOW delivers filtration efficiency of 99.52% cumulative filtration efficiency
and filters out particles as small as ONE MICRON in ISO 5011:2000 independent performance filtration
testing using A-2 FINE TEST DUST. While our competitors test using COARSE DUST, virtually all vehicle
manufactures specify fine dust in their filter testing requirements, as the smallest particles
(between one and ten microns in size) tend to be the most damaging.
Filters More Dirt Than All Competitors’ Filters Tested
Filtration efficiency equates to the amount of dirt that is being filtered away from your
engine. For example, a filter with 99% efficiency filters out 99% of the dirt entering your
intake. Compare the filtration efficiency of AEM’s DRYFLOW to competitor dry and oiled
cotton gauze filters. The numbers tell the story: AEM DRYFLOW gives you the best
initial (clean) and cumulative (end of test) filtration of any performance air filter we
tested and filters out smaller particles (as small as one micron) to give you the best
protection. The AEM DRYFLOW filters are independently tested following ISO 5011:2000 performance
filtration testing using A-2 Fine Test Dust.
No Other Filter We Tested Can Touch Our Dust Holding Capabilities
Dust holding is the amount of dust a filter is capable of holding (measured in grams)
before the restriction from the dust on the filter affects its flow capabilities. The higher
an air filter’s dust holding capacity the longer it will deliver adequate flow for the engine
before requiring cleaning. Compare the dust holding capacity of AEM’s DRYFLOW to
similar competitor dry and oiled cotton gauze filters in new condition and after five
cleaning cycles. Not only does the DRYFLOW hold over 75% more dust than the closest
competitor, it maintains a high level of dust holding wash after wash.
* Independently tested by Southwest Research Institute.
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