3M™ SecureFit™ 3700 SF3701SGAF-ORG-EU Overspectacles - Orange Temples, Scotchgard™ Clear Lens - Pack of 20 834017 Operating time between 7 and

Operating time between 7 and 9 hours when used with a new particle filter at the standard airflow setting

Standard battery charges within 4 to 5 hours and provides between 7 to 9 hours of operating time

Outer protection plate

Extremely robust: Weather & vandal proof

3M™ SecureFit™ 3700 SF3701SGAF-ORG-EU Overspectacles - Orange Temples, Scotchgard™ Clear Lens - Pack of 20 834017 Operating time between 7 andPack of 20 3M SecureFit 3700 SF3701SGAF ORG EU Orange Temples, Scotchgard Clear Lens Adjustable Ratchet Temples PDT (Pressure Diffusion Temple) Technology helps diffuse pressure over the ear for a comfortable and secure fit Scotchgard Anti Fog Coating (up to 25 washings with water) Polycarbonate Lenses absorb 999% of UVA and UVB rays Meets the requirements of EN166 2001 Standard as an Impact Rated Spectacle Contoured brow guard rests comfortably