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 1st Stage Pre Filter 24" X 16" x 1/2" - Case of 30
 Protect your HEPA filters and pleated filters with these inexpensive first stage pre filters.  The will block large particulates and grime, extending the lifespan of your machine and filters.Â
Compatible with the following machines (and many more): Aerospace Amer..
Compatible with the following machines (and many more): Aerospace America MS 2000Aerospace America 9180 / Aeroclean 1800 ('Mighty Might')
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