Nonself-Piercing Saddle Valve 1/4 in Tube O.D. Body Material Brass Temp Range -30 Degrees to 250 Degrees F Max Pressure 40 psi Includes Brass Fittings for 1/4 in OD Copper or Plastic Tubing Application For Use on 1/2 or 3/4 in Galvanized Water Pipe to Provide a Water Supply for Humidifiers Refrigerators etc.