Protect yourself from harmful welding fumes and gases with the Bohler Gas Filter A1B1E1 P R SL for Bohler Air PAPR. This filter is compatible with all Bohler Air PAPR systems and provides TH3 protection against a wide range of gases and fumes, including: Organic gases and vapours (A1) Inorganic gases and vapours (B1) Acid gases (E1) Particulates (P) R SL (respiratory protection against silica dust) This filter is also highly efficient, with a filtration efficiency of over 99.95% for all protected hazards. This makes it ideal for use in a variety of welding applications, including: MIG welding TIG welding Stick welding Arc welding Plasma cutting Thermal cutting The Bohler Gas Filter A1B1E1 P R SL is also easy to use and replace. Simply screw it onto your Bohler Air PAPR system and you're ready to go. The filter will last for up to 14 hours on a single charge, depending on the airflow setting. Benefits: Protect yourself from harmful welding fumes and gases Improve your breathing