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Koch Filters Multi-Test Rigid Extended Surface replacement air filters fit Aerosolve original equipment frames. Koch Multi-Test Rigid filters are composed of high efficiency microfiberglass filter media.
Multi-Test Rigid Filters Offer:
Multi-Test Rigid Nominal Sizes:
- MERV 7, 12, and 16 efficiency rating in accordance to ASHRAE Test Standard 52.2-2007
- Available in efficiencies of 55%, 85%, and 95%
- Offer superior dust holding capacity
- Composed of high efficiency microfiberglass filter media
- Designed to fit Aerosolve original equipment frames
- 12x24x12 (B)
- 24x24x12 (A)
- 12x24x24 (E)
- 24x24x24 (D)