PM2.5 Filtration Efficiency：≥95%. PM2.5 filtration efficiency is high to 98%. (1)Anti-dust Mask. High facial value light mask, light, compact, fashionable, decorative face. Reusable PM 2.5 N95 Anti Pollution Haze Dust Face Mask with Filter Respirator. AU $29.99 2.Items will be shipped within 1-3 business day when we received payment.