Lincoln Service Parts 2 › Lincoln Electric 9SS31256-5 DUCT, FLEXIBLE S31256-5 Lincoln Electric 9SS31256-5 DUCT, FLEXIBLE S31256-5 Sale Price: $146.50 Original Price: $168.48 DUCT, FLEXIBLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! DUCT, FLEXIBLE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1