Valprene 400 is an EPA-registered, quaternary ammonium chloride cleaner, disinfectant, fungicide and mildewstat designed for use on various surfaces subjected to microbial contamination. Valprene 400 is a one-step concentrated formula that will disinfect hard, porous and nonporous surfaces. Valprene 400 is especially useful as an all-in-one product for treating multiple surfaces as part of a complete mold remediation project. Valprene 400 is designed to be diluted, two ounces per gallon of water, yielding 64 gallons of usable product per gallon of concentrate, making it an economical solution for your cleaning and disinfecting needs. Valprene 400 is available in 1-gallon containers. (Packed 4 one-gallon containers per case)