Lincoln VIKING 3250D PAPR WELDING Respirator Welding Helmet w/ Standard Battery K4550-1. NIOSH 42 CFR 84 Approved Loose Fitting Powered Air Purifying Respirator (PAPR) with assigned protection factor (APF) of 25. Maximizing Field of View - Integrated clear grind shield and IR 5 side window expand field of view to offer productivty and safety enhancements. HEPA Filter - Multi-compontent filter system provides 99.97% particulate filtration at 0.3 microns. Intelligent Blower - LED display, audible & vibratory alerts, automatic speed adjustments.All Day Comfort - 4 Axis adjustable headgear evenly distribute weights and improves comfort. The item "Lincoln VIKING 3250D PAPR Respirator Welding Helmet with Standard Battery K4550" is in sale since Monday, November 29, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Welding Protective Gear\Welding Helmets". The seller is "cr334" and is located in Airville, Pennsylvania. This item can be shipped to United States.