Solid Brass Construction Pressure Balance Trim Built-in volume control Includes pressure balance cartridge 1/2” Pressure Balance Valve featuring Ceramic Discs 1.8 GPM @60PSI Maximum Flow Rate: 2.5 GPM 100 % Exquisitely Italian Made Step-By-Step Installation Instructions Rough valve not included. Limited Lifetime Warranty Codes & Standards Compliant with ASME A112.18.1 - CSA B125.1 when sold with rough valve Certified by IAPMO R&T Lab when sold with rough valve ADA Compliant