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Mountain Air® Carbon Filter MA640 6" x 40", 670 CFM
Mountain Air® Filters are the gold standard of carbon filters and have been so for 14 years. In survey after survey it has been named best in class and has been voted North America’s best filter for many years. You will never find a grower who has chosen to move away from Mountain Air®.
Mountain Air® carbon is derived from an allochthonous, sub-bituminous black coal deposited in the Devonian Period in a Pre- Cambrian formation within the Collie Basin over 230 million years ago. It is the planet’s oldest coal. It has extremely low ash content. Trace element discrimination demonstrates it to be physically and chemically unique.
Some filters also use a foam ring or an air bypass system that expands as the carbon in the filter settles out over time to prevent any air from escaping the filter before going through the carbon bed. Mountain Air® filters do not have a foam ring for the simple reason that we use a proprietary compaction method which packs the maximum amount of carbon into the filter evenly.
Lifespan 3 Years +
Includes 2 Pre-Filters
Little To No Maintenance
Carbon Derived From World's Oldest Coal
Decarboxylation of Volatile Compounds
Item #: MA640
Weight (lb): 35 Lbs
Flange Size (in): 6"
Filter Width (in): 11"
Filter Length (in): 40"
Total Length (in): 43"
Min CFM: 580 CFM
Max CFM: 714 CFM
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