Characteristics of Phat Filters:
* Highly effective, Low density virgin carbon
* Carbon tightly-packed for increased porosity
* Greater & more even air movement provided by internal, conical filter base
* Manufactured so that no air blows by the filter without being filtered
* Outer aluminum mesh provides 53% open area allowing increased air flow
* Genuine Phat Filters are immediately sealed after manufacture to help retain moisture, optimize presentation and improve life expectancy