Lincoln Service Parts 1 › Lincoln Electric 9SM27997 DUCT STRAIGHT FEMALE, 6 IN M27997 Lincoln Electric 9SM27997 DUCT STRAIGHT FEMALE, 6 IN M27997 Sale Price: $362.67 Original Price: $417.07 DUCT STRAIGHT FEMALE, 6 IN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DUCT STRAIGHT FEMALE, 6 IN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1