Masks that prevent glasses from fogging up, 40 pieces, regular JMK200614, 1 box (40 pieces)

The mesh fold prevents glasses from fogging up. The double mesh fold on the inside of the mask reduces breath leakage. The nose piece is made of an aluminum bar to maintain its shape. Comfortable fit that doesn't hurt your ears even when used for long periods of time Individually packaged for easy portability: Three-layer structure resistant to splashes (liquid protection: 80mmHg) Filtration accuracy, expiratory resistance: BFE≧99%, PFE≧99% (0.1μm), ΔP＜4.0 Nose piece: Aluminum plate with excellent fit and retention Ear strap: Wide, soft rubber that won't hurt your ears Size: Regular size, 89 x 178 mm