Optim 33 TB One-Step Disinfectant Gallon Ea 1-minute virucidal and bactericidal kill claim; TB in 5 minutes. Offers cleaning and disinfection in one ready-to-use solution. Active ingredient is 0.5% AHP, which is safe and environmentally friendly. EPA toxic category IV in all areas. Exceptional cleaning results without drying or cracking of surfaces. Optim 33TB is a ready-to-use, accelerated hydrogen peroxide (0.05%) one-step, multi-purpose, disinfectant cleaner designed for general cleaning and disinfection of hard, non-porous environmental dental surfaces, dental chairs and stools. It has a non-abrasive formula and virucidal, bactericidal, tuberculocidal and sanitizing properties. It is the only surface disinfectant product recommended for those offices that wish to go green.