General Instructions for use• Do not expose permanently to daylight or UV-lamps• Protect the glasses from scratches and mechanical stress• Avoid contact with chemicals, acids, alkali, and toxic fumes• Never put down the glasses with filters facing down• Do not put the glasses on heaters or equipment that may heat up• Please store in original box• In case of high humidity please ensure good ventilation, better – try to avoid high humidityCleaning and CareClean glasses with clear water and neutral cleaning agents only• Do not clean them dry – you could grind them with small particles• Never immerse them in water• Do not use chemicals or acidic fluids for cleaning• Do not immerse them in sterilization or disinfectant fluids• Never clean them with ultrasonic waves
