Model 7261-7271 pedestal mounted eye and face wash 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.Eyewash streams provide Zero Vertical Velocity™ stream engineering with even laminar flow for enhanced comfort, stability and effectivenessFeatures a round 11" (27.9 cm) green ABS plastic receptor and 1-1/4" NPT galvanized stanchionIncludes a mesh in-line strainer to collect line debris, and ball valve with stainless steel ball and stem for durabilitySupply: 1/2" NPT. Waste: 1- 1/4" NPTANSI/ISEA Z358.1 tempering compliance optionsCertified by CSA to meet the ANSI/ISEA Z358.1 Standard for Emergency Eyewash and Shower Equipment. Due to technology advancements these (two models) are now the same.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.