The most advanced, innovative and user friendly digital aerosol photometer available today, the 2i Digital Photometer is portable, yet rugged, and the ideal instrument for in-situ filtration system integrity testing.

The 2i family of cases offers the ultimate in protection for your 2i Photometer, iProbe and Thermal Printer. Each case comes with custom foam cut-outs to keep your equipment and accessories from moving around during transport.