Inline NPT Check Valve 1/4 in NPT M/M 3 000 PSI Western Enterprises Inline NPT Check Valves WARNING: This product can expose you to Lead a chemical known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov Pressure [Nom]: 3 000 PSIG Wt.: 0.18 lb Thread Size [Nom]: 1/4 in (NPT) Connection Type: Male/Male Type: Check Valve Material: Brass