Aerospace America - 2000-01 - 1st Stage 24x24 pre-filter (Case of 40)

Aerospace America AA2000-01 is a first-stage pre-filter, 24x24, sold as a case of 40. The maker built these pre filters specifically for the MS 2000 negative air machine.

Most pre filters are 1/2 in thick, but these are extra strong 1 in thick pre filters. The page says they greatly extend the life of your HEPA filters by removing major and minor particulate before it can reach the HEPA, and describes them as a way to keep your machine clean and running smooth. The page names the MS 2000 and no other machine, so confirm your model before ordering. Sold by the case of 40 by Southeastern Equipment and Supply.