The 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 layer. The result is a filter that captures more, neutralizes odors, and lets you breathe easier — all at once. Key Features 99.9% Filtration to 0.1 Micron — Captures fine dust, pollen, allergens, smoke, and airborne particulates Up to 50% Better Breathability — Optimized airflow system vs. standard F1 filters; easier breathing during extended wear Active Carbon Layer — Neutralizes odors, smoke, fumes, and organic odors Electrostatically Charged Media — Enhanced particle capture at the microscopic level Three-Layer Construction — Primary particle filter + electrostatic media + active carbon Quick 4-Point Rivet System — Tool-free filter replacement in seconds Low-Profile Secure Fit — Maintains seal integrity for consistent filtration performance 3-Pack — 90–180 days of filtration coverage with regular use When to Replace Your Filters Replace F3 filters when filter get dirty from regular use depending on dust and odor exposure. Replace immediately when breathing becomes restricted or filtration performance feels reduced. Filters are not washable — replacement is required to maintain 99.9% tested filtration performance. Do not attempt to clean or reuse filters. Stock Up and Save Regular filter replacement is the single most important thing you can do to maintain your RZM3's filtration performance. Stock up with a larger pack and never run low. This listing: F3 Premium 3-Pack — $14.99 → You are here Best Value: F3 Premium 12-Pack — Stock up and save per filter Compatible With RZM3 Mask (all sizes and colors) Don't Have an RZM3 Yet? These filters are designed for the RZM3 Reusable Filtration Mask — RZ Mask's most advanced reusable filtration mask. 19+ patents. Patented 3-strap system. RZ SECURE 360 Seal™. No-fog design for safety glasses. 3 filters included. Replace as they become dirty for peak filtration and breathability performance.