Designed to provide personnel protection from toxic fumes and hazardous volatile vapours, our standard fume hoods are reliable and easy to use. Its inbuilt ventilation system with a front window eliminates fire and explosion risk. Acid\alkali resistant interiors and uv lamp to sterilise the work area, this product is the best choice for reducing potential exposure hazard to the user. Basic specification : airflow velocity: ≥0.5 m/s protection class: class I max opening: 730 mm length: 1200 mm air tightness: 500 pa leakage rate≤10% (in 30 min)