RZM3 Premium F3 Replacement Filters 3-Pack | 99.9% Filtration + Up to 50% Better Breathability Size:XL 99% Filtration Efficiency — Captures

99% Filtration Efficiency — Captures dust

or ear loops

Clean Air Everywhere You Stay — RZ AIRFlow for PTAC Heating & Cooling Units

Fog-Free Guarantee — Adjustable nose clip eliminates eyeglass fogging

1 micron Yes General dust

RZM3 Premium F3 Replacement Filters 3-Pack | 99.9% Filtration + Up to 50% Better Breathability Size:XL 99% Filtration Efficiency — CapturesThe premium replacement filter for the RZM3 Reusable Filtration Mask. 99. 9% filtration down to 0. 1 micron. Active carbon odor and VOC elimination. Up to 50% better breathability than standard F1 filters. 3 pack of filters. Why F3 Outperforms Standard Filters Standard F1 filters prioritize filtration. The F3 goes further with a three layer construction: a primary particle filter, an electrostatically charged media layer, and an activated carbon