Benefits Breathe freely and safely - eliminate harmful fumes and particulates See clearly with superior optical clarity and auto-darkening Weld longer and stronger with unbeatable comfort and breathability Enjoy reliable performance and extended battery life Work efficiently with user-friendly features and ergonomic design XCEL Air Fed Welding Mask 9-13 Kit: Breathe Easy, Weld Better Elevate your welding game with the next-level protection and comfort of the XCEL Air Fed Welding Helmet 9-13 EX-P1004. Ditch the stuffy masks and breathe freely while tackling even the toughest welding jobs. This innovative helmet combines a top-of-the-line auto-darkening filter (ADF) with a powerful PAPR (powered air purifying respirator) system, delivering industry-leading safety and unparalleled comfort. Features Variable shade ADF (5-9/9-13) with four independent sensors High-efficiency HEPA filter and activated carbon cartridges Adjustable airflow PAPR system with Li-ion battery (8 hours runtime)