Optec International Inc (OPTI)

[Olderandwiser]

OPTEC Hydroxyl Air Sterilizer & how it works:

Article explains how "Ionized Hydro-Peroxide" ("hydroxyl radicals") technology works and why the HVAC industry uses it for indoor air quality:

https://www.rgf.com/wp-content/uploads/2016/02/Hydroperoxide-for-IAQ.pdf

Btw, I have REME HALO in-duct purifiers installed my A/C system. They use UV LED and ionized hydrogen-peroxide,
similar to the Raycono Hydroxyl units sold by OPTEC.

http://www.raycono.com/ver2/ (shows 4 models)

The Technology section has info on Raycono/OPTEC product. Also shows certification.