IQAir 201-13-01-01 The IQAir ParticleScan CR is designed specifically for controlled environments and cleanrooms. Able to detect tiny airborne particles down to the size of bacteria, the ParticleScan CR features a high flow rate of 0. 1 cfm and a HEPA-filtered exhaust. It also incorporates advanced data logging, compatibility with Mac and PC, and network readiness.