Lots of good information: Coronavirus particles (80 to 120 nm in diameter) Multipure's Aqualux is certified to block much smaller particles 20 -30.... Aqualux

Multipure: Drinking Water Purification Systems
Welcome to Crystal Clean Drinking Water Blog where thoughts and ideas about water related and health related topics are shared.
Lots of good information: Coronavirus particles (80 to 120 nm in diameter) Multipure's Aqualux is certified to block much smaller particles 20 -30.... Aqualux