Air. Nothing else. That is what we provide. And your added value. Because our microbial air samplers give you precisely the s ... ecurity you need. Our ambition to create the ideal solution has made us the world market leader in microbiological air monitoring. We research, develop, produce, and maintain high-quality, innovative products. Whether integrated or mobile, MAS -100 is at the heart of our success – and yours. And we’re only satisfied if we meet, and even exceed, your expectations. We believe in collaboration, trust, and self-confidence. Because as we see it, perfection is human. read more