Biosafety Cabinet Class II A2 EN Certified LBS2-A40 ✓ Work Surface Height : 750 mm ✓ Max Opening : 500 mm ✓ Tested Opening : 200 mm Biosafety Cabinet Class II A2 EN Certified LBS2-A41 ✓ Work Surface Height : 750 mm ✓ Max Opening : 500 mm ✓ Tested Opening : 200 mm Biosafety Cabinet Class II A2 LBS2-A20 ✓ Tested Opening : Safety height of 200 mm (8 inch) ✓ Maximum Opening : 420 mm (17 inch) ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II A2 LBS2-A21 ✓ Tested Opening : Safety height of 200 mm (8 inch) ✓ Maximum Opening : 420 mm (17 inch) ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II A2 LBS2-A22 ✓ Tested Opening : Safety height of 200 mm (8 inch) ✓ Maximum Opening : 500 mm (20 inch) ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II A2 LBS2-A23 ✓ Tested Opening : Safety height of 200 mm (8 inch) ✓ Maximum Opening : 550 mm (22 inch) ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II A2 LBS2-A24 ✓ Tested Opening : Safety height of 200 mm (8 inch) ✓ Maximum Opening : 370 mm (15 inch) ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II A2 LBS2-C10 ✓ External Dimension (W x D x H) : 1500 x 840 x 2200 mm ✓ Internal Dimension (W x D x H) : 1350 x 600 x 660 mm ✓ Tested Opening : Safety height 200 mm (8") Biosafety Cabinet Class II A2 LBS2-C11 ✓ External Dimension (W x D x H) : 1800 x 840 x 2200 mm ✓ Internal Dimension (W x D x H) : 1625 x 600 x 660 mm ✓ Tested Opening : Safety height 200 mm (8") Biosafety Cabinet Class II A2 NSF Certified LBS2-A30 ✓ External Dimension (W×D×H) : 1383×775×2295 mm ✓  Internal Dimension (W×D×H) : 1210×600×660 mm ✓  Work Surface Height : 750 mm Biosafety Cabinet Class II A2 NSF Certified LBS2-A31 ✓ External Dimension (W×D×H) : 1087×775×2265 mm ✓  Internal Dimension (W×D×H) : 910×600×660 mm ✓  Work Surface Height : 750 mm Biosafety Cabinet Class II A2 NSF Certified LBS2-A32 ✓ External Dimension (W×D×H) : 1383×775×2295 mm ✓  Internal Dimension (W×D×H) : 1210×600×660 mm ✓  Work Surface Height : 750 mm Biosafety Cabinet Class II A2 NSF Certified LBS2-A33 ✓ External Dimension (W×D×H) : 1873×775×2295 mm ✓  Internal Dimension (W×D×H) : 1700×600×660 mm ✓  Work Surface Height : 750 mm Biosafety Cabinet Class II B2 LBS2-B20 ✓ Max Opening : 420 mm (17 inch) ✓ Tested Opening : Safety Height 200 mm（8 inch） ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II B2 LBS2-B21 ✓ Max Opening : 420 mm (17 inch) ✓ Tested Opening : Safety Height 200 mm（8 inch） ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II B2 LBS2-B22 ✓ Max Opening : 500 mm (20 inch) ✓ Tested Opening : Safety Height 200 mm（8 inch） ✓ Inflow Velocity : 0.53 ± 0.025 m/s Biosafety Cabinet Class II B2 LBS2-B23 ✓ Max Opening : 480 mm (20 inch) ✓ Tested Opening : Safety Height 200 mm（8 inch） ✓ Inflow Velocity : 0.53 ± 0.025 m/s