The Laminar Air Flow also has an acrylic panel, fluorescent tube light & pressure differential manometer inside shelf that is made of stainless steel. A Laminar Air Flow is designed to provide working space comprising as standard features. The Laminar Air Flow is a HEPA filter having efficiency of 99.97% down to 0.3% microns, prefilter 90% down to 5 microns, suitable motor blowing assemblies, working table top side.