Part Number: 1583414 (Adapter duct)Part Number: 1652013-26 (Adapter duct)Part Number: 1652021-2 (Adapter duct)Part Number: 26-8103-5 (Adapter duct)Part Number: 7739644P1 (Adapter duct)Part Number: BWT8665-1 (Adapter duct)Part Number: BWT8666-1 (Adapter duct)