Compared to most other masks, the unique ULTRA FIT ™ design significantly reduces the number of contaminants and pathogens allowed to pass in either direction
Advanced, low-cost mask protection technology born from research performed by a group of 300+ scientists, physicians, engineers, and makers at some of the world’s top hospitals and research labs. Read about Katharos Labs history here.
Superior sealing means far less annoying fogging
I tried a lot of different masks after returning to work following my COVID recovery. The UltraFit was the most comfortable and closest fitting and almost completely eliminated the fogging of my glasses, a real issue with other masks. No other mask made me feel as safe and secure"
I really, really like this mask!
The moldable inserts allow it to seal better than any other mask. I feel safer, more secure, and my glasses don’t fog as much as other masks"
After using KN 95 masks for months, I found the mask surprisingly light and comfortable. The mask was easily fit to my face, did not fog my glasses, and was comfortable for long periods, particularly around my ears”