Captures up to 99.97Percent of airborne particles at 0.3 microns*Filters should be replaced every 1-5 years depending on use*For use with Honeywell air purifier HRF-F1 series: 11520, 12520, 13520, 17200, 18150, 17400, 50150, 50200, 50250, 50300
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Item# : SPM12883977004
Model # : RNAB000CQT56M