– 3M Electret Media: Electrostatically charged Microfiber Filter Media – Size: 12.5 x 12.5cm – Non-Woven Fabric: Cotton – Comfortable Wear with Chin Fold Design – Particulate Respirator: Protects against gases, smells, viruses & Bacteria's – Easily Breathable: Built in Valve allows air flow in whilst keeping moisture and bacterial particles out – Over Head Elastic Straps – One Size – 1 Quantity = 1 Pack of 50 x face masks
