Koh Global, LLC.

New Koh Dustless Bag System with HEPA Air Filtering Unit Offers First Effective Solution to Prevent Sensor Dust on Digital SLRs

The patent pending Koh Dustless Bag System is the first to effectively prevent sensor dust problems from occurring. Featuring self-enclosing hand ports and a HEPA Air Filtering Unit, the system creates a safe dust-free environment to exchange camera lenses. This versatile bag also functions as a rain cape. - January 27, 2008