100-200mm ABS Round Pipe flange seat Aluminum foil smoke exhaust pipe Connector Fresh Air System Vent Hardware
https://www.vogueparade.com/shopping/EN/200366148/4/1005003066127251/100-200mm-abs-round-pipe-flange-seat-aluminum-foil-smoke-exhaust-pipe-connector-fresh-air-system-vent-hardware//