Z Link Plus Welding Respirator Helmet PAPR or Supplied Air, Removable ADF, Face Seal or Cape, NIOSH Certified Protection for Welders RPB Safety Airflow Device:PAPR: PX5 with OV AG HE Filter & Hi Cap Battery Leg straps tongue FP TTA Leg straps tongue Pack of 10 lenses welding professionals benefit from reduced downtime and fatigue resulting in increased productivity Adverse health effects associated with Cr(VI) exposure include: Occupational asthma Eye & nose irritation & damage Perforated eardrums Respiratory irritation & cancer Kidney & liver damage Pulmonary congestion & edema Upper abdominal pain Skin irritation Erosion & discoloration of teeth Contact dermatitis (long lasting & more severe with repeat exposure) Contact with non intact skin can lead to ulceration (chrome ulcers)