Biobase Laminar Air Flow Stainless Steel Clean Room Pass Box for Lab. 304 Stainless Steel Material: Constructed with durable 304 stainless steel for corrosion resistance and hygiene. Electronical Interlock System: Prevents simultaneous door opening to maintain clean room integrity. UV Lamp Sterilization: Equipped with 8W UV lamp for effective disinfection of transferred goods. Low Noise Operation: Operates quietly with noise levels between 40-60db. Global Service Network: Overseas warehouses and branch offices in India, Jordan, and USA. Comprehensive Warranty: Includes 1-year warranty period with free parts and labor for defects. Flexible Customization: Offers full customization, minor customization, and customization from samples or designs.