Empty bottle for Virex II 256 One-Step Disinfectant Cleaner and Deodorant. It is specially designed for quaternary-based, disinfectant/cleaner concentrate providing broad-spectrum disinfection at 1:256 dilution. The sturdy plastic bottle is labeled with the product name and directions so you can use the blue cleaner carefully. Top screws off easily so you can pour the cleaner inside. Neck is ridged for a comfortable grip.