Head‑Strap N95 Non‑Medical Mask With Exhaust Valve, 5‑Ply Individually‑Wrapped Non‑Woven Respirator for Hot Workshop Construction Heavy‑Duty Work

5‑ply non‑medical N95 head‑strap mask built‑in exhalation valve. The one‑way breathing valve quickly discharges hot humid air inside mask, reduces heat accumulation for hot‑condition work. Head‑wearing design eliminates ear pressure. Each piece is individually wrapped for hygiene and convenient carry. Packing:50pcs per bag, 1000pcs per carton, carton weight 10KG, carton dimension 683446cm. Fit for high‑temperature workshop, construction site, heavy‑labor industrial work.