The class 100 purfication laminar flow work bench was customized to an India customer by ESD Conductive Co.,Ltd 
https://www.amazon.com/Laminar-Flow-Bench-Cabinet-Class/dp/B07SLD25QC/ref=sr_1_24?keywords=Laminar+flow+bench&qid=1559498840&s=gateway&sr=8-24
The specification of the work bench is as the following:
1,Class 100 purification,1.5mm stainless steel

2,Exterior dimension:1435L*780W*2000H mm

3,Working area dimension:1335L*680W*540Hmm

4,4 Anti-static wheels with 4 brake ordinary wheels, transparent dropping window

5,110V 480W Air filter, LED light