HEPA filter, 350 CFM @ 1.3 w.g., 99.97% eff. for 0.30 micron particles.
The AK78 HEPA filter fits NFS-RPS models MAC-21 (P/N FM37) and MAC-21D (P/N FM41) HEPA filtration units. The filter has a metal case and face guards on both faces.
The AK78 is a type B nuclear grade filter, tested at 500 CFM, 350 CFM and 70 rated flow. It meets UL 586 and has QA documentation per WSRC spec M-SPP-G-00243. Filter is performance tested in accordance with ASME AG-1A SEC. FC-5110 and FC-5120.
(Approved for use at WSRC.)
