Save time and money by eliminating the need to replace NFPA Placards when hazardous chemicals change. Give the NFPA Flip Placard Sign a turn of a few panels. Each field contains a side that will reflect the health, flammability, instability and specific hazard information necessary. In seconds, you can display the appropriate NFPA information for the hazardous material. Consisting of aluminum flip panels, this one convenient sign contains any possible combination to display the proper NFPA hazard information. It has all the necessary colors and severity rating numbers, and includes the Use No Water, Oxidizer, Simple Asphyxiant, Acid, Alkali, Corrosive, and Radiation hazard symbols. The printed aluminum flip panels are mounted onto sturdy 15-1/2" x 15-1/2" x 0.063" thick aluminum. Thick 0.120" clear plastic faceplate fits over the placard with a center screw to keep the hazard information in place. The rust-proof, durable aluminum construction is designed to withstand weather and other environmental conditions. Includes 3/16" corner mounting holes.