RZ M3 mask with better breathability - Industrial Supply Magazine
Hollis - The Hollis M3 mask, featuring distortion free vision and a superior fit. The optics are constructed of low-iron content glass, which causes increased light transmittance and reduced tint. Check one
M3-10A1-6 Lightweight Service Mask | Gas Mask and Respirator Wiki | Fandom
Hollis M3 Mask | eBay
Anon M3 Goggles + Bonus Lens + MFI Face Mask (Multiple Color Options)
HOLLIS MASK M-3
Kimtech™ M3 Certified Sterile Pouch style Face Mask 62483 - Universal, 200 sterile face masks.