Optim 33 TB Wipes use accelerated hydrogen peroxide to quickly and effectively disinfect noncritical surface areas and equipment. It can achieve a 99.999% broad-spectrum kill of vegetative bacteria in 20 seconds. Optim 33 TB is also biodegradable and the first disinfectant certified by EcoLogo Environmental Choice Program. 160 Sheets Can. Made in Canada. For use in Dental and Ophthalmology practices of all sizes. MSDS