Omnicide 28 Day High Level Disinfectant/Sterilant, A long-life, buffered glutaraldehyde that can be reused as a sterilant and high-level disinfectant for up to 28 days Recommended for immersible and heat sensitive instruments. Contains a surfactant to enhance the disinfection process and contains a rust-inhibitor to reduce corrosion. No dilution is required, 1 Gallon Bottle. One gallon bottle