Specifications include, but are not limited to: GM Awarded Price & Time Non-Stock Material & Equipment. NAICS 332911 Matl Code 4409601 EA VALVE, DETECTOR CHECK, 2-INCH SIZE, BRONZE BODY, WITHOUT BYPASS ASSEMBLY, FEBCO MODEL LF406, NSF 61/NSF 372 CERTIFIED, IN ACCORDANCE WITH ATTACHED SPECIFICATIONS (DEPT. CODE: 44-09-601 EA); NAICS 332911 Matl Code 4413604 EA VALVE, DETECTOR CHECK, 4-INCH SIZE, DUCTILE IRON BODY, WITH BYPASS ASSEMBLY AND METER SPACER, SERIAL FEBCO MODEL LF800, NSF 61/NSF 372 CERTIFIED, IN ACCORDANCE WITH ATTACHED SPECIFICATIONS AND DRAWING A9517 (DEPT. CODE: 44-13-604 EA); NAICS 332911 Matl Code 4416604 EA VALVE, DETECTOR CHECK, 6-INCH SIZE, DUCTILE IRON BODY, WITH BYPASS ASSEMBLY AND METER SPACER, FEBCO MODEL LF800, NSF 61/NSF 372 CERTIFIED, IN ACCORDANCE WITH ATTACHED SPECIFICATIONS AND DRAWING A9517 (DEPT. CODE: 44-16-604 EA); NAICS 332911 Matl Code 4417604 EA VALVE, DETECTOR CHECK, 8-INCH SIZE, DUCTILE IRON BODY, WITH BYPASS ASSEMBLY AND METER SPACER, FEBCO MODEL LF800, IN ACCORDANCE WITH ATTACHED SPECIFICATIONS AND DRAWING A9517 (DEPT. CODE: 44-17-604 EA)