ATTENTION: Our dust mask with normal size fits most adults. But if you need smaller or larger ones, before you purchase this item, we suggest that you should make sure that the size of our Dust Breathing Mask is suitable for you. ( Image 3 shows to you how to take accurate measurements of your head size to get your head size and make the right purchase) JUNING Dust Breathing Mask, give you clean air. Active carbon filters isolate 99% of dust, chemicals, fumes and particulates Suitable for the people who dust allergy, pollen allergy. When you use your leaf blower or cutting the grass you will no longer have allergy problem. Suitable for people who works in polluted environment, spends a lot of time sanding and grinding medal, wood, plastic. Protects from particles when working in the shop or working in the yard. Suitable for Outdoor Activities 1, Inner cover material: Non-woven, activated carbon 2, Aluminium adjustable nose clip 3, Hanging Ear Design 4, Adjustable hook & loop Strap 5, Dual one-way discharge valves exhaled breath goes out, and doesn't heat up inside mask 6,The mesh dust mask shell and valves can be washed when they get dirty, the N99 filter is replaceable. It fits easily around the face and can be slipped down around the neck area when not needed. Packing Contents: 1 × BASE CAMP Mesh Mask （include one pair of valves and filter） 6 × Extra Activated Carbon Filters 2 × Extra Discharge Valves Weight: 0.077KG NOTE: We recommend replacing the filters every 2 or 3 weeks.
