Haws 7324 features the medically acclaimed AXION MSR eye/face wash head assembly (patent pending). This revolutionary inverted flow design is the only product on the market that provides a Medically Superior Response consistent with all EMT, emergency room and doctors' office protocols by sweeping contaminants away from the vulnerable nasal cavity. Traditional eyewashes irrigate from the outside edge of the eye back toward the nose, where contaminants can then be flushed into the nasal cavity through the lacrimal punctum, nature's ocular cavity drain.Unit is equipped with a pop-off dust cover, so when debris is present, the irrigation process stays protectedEasily detected and maintained, emergency equipment is equipped with safety sign and test card to record weekly testingReducing installation time, eye/face wash and valve assembly is pre-built and fully water/pressure testedFloor drain is recommended for this unitANSI/ISEA Z358.1 tempering compliance optionsCertified by CSA to meet the ANSI/ISEA Z358.1 Standard for Emergency Eyewash and Shower Equipment.Prop 65 Warning. For California Residents Warning: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please click here for more information.