The 3M M-306 Respirator Helmet, when used with the Versaflow TR-315 Powered Air Unit, provides TH3P APF 40 protection for the eyes, face, and respiratory system. Certified to EN397, it meets hardhat requirements and ensures safety in demanding environments. The helmet features a clear visor for excellent visibility and adjustable airflow for long-lasting comfort. Ideal for construction, manufacturing, and maintenance work. Shop now for reliable powered respirator protection with 3M. - https://www.respiratorshop.co.uk/protective-masks/air-powered-respirators.html