As our science and technology community evolves, the need for laboratories, BSL3 & BSL4 containment systems and cleanrooms continues to increase. Price Critical Controls offers lab and cleanroom supply and exhaust venturi valves and control systems. Camfil provides filtration to meet the highest industry standards. Greenheck Vektor fans are great choices to exhaust the air from your lab or cleanroom. JRA has many other product lines that complement these products to solve your lab and cleanroom challenges.