MIRA Safety CM-I01 Full-Face Industrial-Grade Gas Mask with 40mm NATO Filter Compatibility and Advanced Valve Design. Department? Unisex. Date First Available? April 26, 2023. Best Sellers Rank: #57,085 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #51 in Reusable Respirators. #51 in Reusable Respirators. Customer Reviews: 4.4 4.4 out of 5 stars (179). Except on weekend or public holidays. We stand behind our products. Your receive the wrong item.