The Thermo Fisher 16000005 SO2 Scrubber Sieve is a high-quality medical and lab equipment product made by the reputable brand Thermo Fisher in the United States. This unit comes in a quantity of 2, making it suitable for various industrial and business applications in healthcare and lab settings. Designed to effectively scrub and sieve harmful SO2 particles, this product is essential for maintaining clean and safe environments for medical and lab professionals.