Honeywell HRF-ARVP300 air filter

True HEPA Filter Value Combo Pack For HPA300 Series
The Honeywell HRF-ARVP300 HEPA Filter and Pre-Filter Combo Pack is fully capable of capturing an astonishing 99.97% of airborne particles at 0.3 microns from any air passing through the filter. This package includes 3 HEPA 'R' Replacement Filters and 4 'A' Carbon Pre-filters (pre-cut). The HRF-ARVP300 HEPA Filter and Pre-Filter Combo Pack is compatible with the HPA300 series.