Honeywell 12-Pack of Replacement Filter Inserts for Dual-Layer Face Cover (Size Large) - RWS-50105

12 pack of replacement inserts for the Large Size Honeywell Dual Layer Face Cover. This filter insert has been shown by a third-party testing facility to block up to 97% of 3-micron-sized non-viable particles and 0.1-micron-sized aerosolized particles. Filters are disposable, single-use filters that you throw away after a day's use. They are designed so you can start with a fresh filter every day.