3M 4251 Valved Reusable Half Mask FFP2 PK 1

Features Include:

• This half face mask is lightweight and well balanced. It features 2 large bonded carbon filters for low breathing resistance, a low resistance parabolic valve to reduce heat build-up and an easy to fasten neck strap. This mask must be replaced after 28 days or when damaged, breathing resistance increases or breakthrough occurs, whichever occurs first 4251
• Conforms to EN 405
• Non-allergenic face piece material.