Ametek Air Volume Control Deep Well 25 Psi Plastic &lt; 0.25 % Lead 25 Psi Price For: Each Item: Air Volume Control Includes: Low Lead Compliant Brass Rod and Plastic Float Application: Maintains Air Volume in Standard Water System Pressure Tanks and Reduce Cycling Frequency Type: Deep Well Tap Size (In.): 1/4" Pressure Range: 20 to 100 psi Max. Pressure (PSI): 100 psi Body Material: Cast Brass Tank Port Size: 1-1/4" MIPT Max. Temp. (F): 100 Degrees Country of Origin (subject to change): United States