Usage Conditions: Not suitable for environments with oxygen concentration below 19.5% or high pollutant levels. Health Risks: Not designed to protect against harmful gases or steam. Mask Condition: Replace if contaminated, damaged, or if respiratory resistance changes. Emergency Replacement: Recommended replacement under major conditions. Size & Measurements (as provided) Item Size / Quantity Oxygen Concentration Below 19.5% Pollutant Levels High Replacement Condition Contaminated / Damaged আজই অর্ডার করুন Findshob থেকে.



