Biobase NSF Certified Class II A2 Biosafety Cabinet HEPA Filter Bsc-4fa2-Gl. Three Protection System: Protects operator, sample, and environment simultaneously. High Efficiency HEPA Filter: Two filters with 99.999% efficiency at 0.3um. Motorized Front Window: Two-layer laminated toughened glass with automatic control. LCD Display & Memory: Large LCD display with memory function for power failure. Interlock Safety Function: Interlocks UV lamp, blower, and front window for safety. Stainless Steel Construction: Side and back walls made of single piece stainless steel. OEM/ODM Support: Full customization and flexible customization options available.