MET ONE air particle counters lead the industry in providing solutions to monitor air cleanliness in compliance with ISO 14644, FDA CGMP and EU GMP Annex 1. Portable, remote and handheld air particle counters are designed to easily integrate into your standard operating procedure (SOP) for cleanliness monitoring for aseptic fill, routine environmental monitoring, cleanroom and flow bench validation, and air filtration troubleshooting. Offering ISO 21501-4 compliance, MET ONE air particle counters are reliable, durable and easy to integrate into your 21 CFR Part 11 compliant workflow.