Product Description Forged brass. Chrome-plated ball. PTFE (polytetrafluoroethylene) seats. Blowout proof stem. Vinyl-grip and vibration proof locknut. Temperature range: -20 F (degree Fahrenheit) to 30 F. (Consult Jones Stephens for pressure rating when temperature is above 210 F). AGA (American Gas Association) certified for use with natural, manufactured, mixed, LP (liquefied petroleum) gas and LP gas/air mixtures up to 2 psi (pounds per square inch). Complies with federal specification WW-V-35B, Type II, Style 3. Threaded ends comply with ANSI (American National Standards Institute) B2. 1. Import. Manufactured to include no more than 0. 25% weighted average lead content on wetted surfaces. From the Manufacturer About American Standard Brands Great performance and great looks meet in our complete line of fixtures and faucets for bath and kitchen. Performance and reliability. Coordinated collections. Ingenious features. American Standard is Style that Works Better every day.