Lincoln Service Parts 1 › Lincoln Electric 9SM27998 DUCT STRAIGHT FEMALE, 6 IN M27998 Lincoln Electric 9SM27998 DUCT STRAIGHT FEMALE, 6 IN M27998 Sale Price: $377.03 Original Price: $433.59 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