Byseacore HPA5300B Replacement Filter Compatible with Honeywell Air Purifiers HPA5300B HPA5350 HPA3300, 3 R HEPA, 3 S Carbon and 4 A Pre-Filter, Part# HRF-R3, HRFSC1, HRF-A300 & HRF-ARVP300

["Compatibility: The HPA5300B true HEPA filter replacement is compatible with Honeywell Air Purifiers HPA5300B, HPA5300W, HPA5350B, HPA5350W, HPA3300B, HPA3300W, HPA3300BV1","Value Package: 3 R True Hepa Filters, 3 S Enhancement Carbon Filters & 4 A Carbon Pre-Filters","Multistage Filtration: Our H13 True filter can filter out up to 99.97% on air particles as small as 0.3 μm and activated carbon filter can deal with unwanted smell in indoor air","Please replace the R hepa filter and S activated carbon filter once every 12 months and the carbon pre-filter every 3 months or more often depending on usage","Easy to replace and disposable, no tools required Note: please remove the new filter from the plastic bag before placing it into the machine"]