Haws 8905 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 eye washes 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 activated with simple squeeze lever operation.Eyewash streams provide Zero Vertical Velocity™ stream engineering with even laminar flow for enhanced comfort, stability and effectivenessDust cover allows for the 8905 to stay protected from debris when not in useEasily detected and maintained, emergency equipment is equipped with safety sign and test card to record weekly testing12 foot (365.8 cm) yellow recoil hose provides an extended coverage area to further optimize the irrigation processIn order to comply with state codes the use of a vacuum breaker is required with all hand held eye/face wash body spray units (Haws offers model SP212)Certified 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.