24 in x 24 in x 2 7/8 in Actual Filter Size, 1,200 cfm Air Flow @ 300 fpm, HEPA Air Filter - 19RR61|19RR61 - Grainger
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Motorized HEPA Filters; Ceiling Fan Filter Units, 24" x 48", Pre-Fab Wiring Included, CAP-119-424-H-SC - Cleanroom World
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