Perfect Protection-This Niosh Approved Respirator Mask Is A Testament To The Quality And Reliability Of Personal Protective Equipment (Niosh Approval Number: Tc-84A-7638); It Provides At Least 95% Filtration Efficiency And Reliable Breathing Protection Against Aerosols Free Of Oil And/Or Non-Volatile Liquid Particles. Easy To Breath-Our Premium Filter Material Provides Extremely Low Breathing Resistance And Full Protection To The Wearer For At Least 8 Hours. Excellent Fit-The Adjustable Nosepiece Is Made Of Durable Aluminum And Can Be Shaped Easily Along Your Nose Bridge To Prevent Leakage And Eyewear Fogging; The High Elasticity Head-Straps Ensure A Tight And Secure Seal. Soft & Comfortable-The Softness Of The Surface Material Gives You A First Class Experience, And The Inner Urethane Foam Gives Greater Comfort To Those Who Wear It Throughout The Day. Use For-Medical Setting Personal Protection, Construction, Home Improvement, Cleaning, Mowing, Gardening, And Diy Projects; 40-Pack Of M/L Size Individual Makrite Sekura-N95 Respirator Masks.