Aerospace America - 9145-01 - 1st Stage 16x16 pre-filter (Case of 40)
1st Stage Pre Filter 13" x 13" x 1/2" - Case of 40
Extend the life of your HEPA filters by using first-stage polyester pre-filters. These should be changed daily and dramatically increase the lifespan of your HEPA filter and your negative air machine.
These filters are compatible with the following air machines (and many more):
- NorAir 80
- Aerospace America 400 Ma
- Aerospace America 500 Ma
- Pullman Ermator A600