About the T&S BRASS B-0418 STOP, ANGLE LOOSE KEY STOP, 1/2" NPT
LOOSE KEY ACTUATION; 1/2 INCH NOMINAL SIZE; 1/2 INCH FIPS X 1/2 INCH FIPS END CONNECTION; APPLICATION PLUMBING; AGA, ABC, ASPE, ASSE, CSA, CETA, FPM&SA, ISE, NAFED, NAFEM, NSF, PMI, PRIDE, UL STANDARDS; B-0418 MODEL; WARRANTY 1 YEAR