3M High Quality Ear Muff

Key features Designed to suit all faces, including children Silver mask, orange strap helps victims can be easily identified by rescue workers in the smoke Front face material made of flame retardant material Easy to use, quick action Gas mask with SGS certification Escape mask fire proof Factory smoking gas mask Specifications Protection time: 40 minutes Air filter ability: 95L / min less than 800pa Air filter ability: 95L / min less than 300pa Oil permeability coefficient: less than 5% Ability of microfiltration:> 95% Storage temperature: 0-40 degrees Product weight: 820g Operation Instructions Open the box and take out the vacuum packing bag. Tear off the vacuum packing bag, take out the Respirator and pull out the two plugs respectively. Put on the helmet and tighten the string. Decide your way out and escape quickly.