Description
Replaces Honeywell HRF-R1 and HRF-AP1.HEPA: Recommended to replace every twelve (12) months, or more often in harsh environments, for maximum efficiency PreFitler: Recommended to replace every three (3) months, or more often in harsh environments, for maximum efficiency PreFitler: Recommended to replace every three (3) months, or more often in harsh environments, for maximum efficiency.Pre-Filter: Recommended to replace every three (3) months, or more often in harsh environments, for maximum efficiency.HEPA: Approximate Dimensions: 6 1/2 x 10 1/4 x 1 1/2 inches PreFilter: Approximate Dimensions: 15 1/2 x 47 x 1/8 inches.What You Get: Two (2) replacement filters AND One (1) replacement universal pre-filter