Victaulic #16/406,4 W77 16" coupling with rubber. Judging by green stripe on rubber (seen in pictures) I believe the rubber is Victaulic Grade "E" FlushSeal™ EPDM EPDM (Green stripe color code). Temperature range –30ºF to +230ºF/–34ºC to +110ºC. May be specified for hot water service within the specified temperature range plus a variety of dilute acids, oil-free air and many chemical services. UL Classified in accordance with ANSI/NSF 61 for cold +73ºF/+23ºC and hot +180ºF/+82ºC potable water service and ANSI/NSF 372. NOT COMPATIBLE FOR USE WITH PETROLEUM SERVICES OR STEAM SERVICES. Couplings are unused. I have 5 available, $125.00 each or all 5 for $500.00.
***DOES NOT COME WITH NUTS AND BOLTS***