Lincoln Service Parts 1 › Lincoln Electric 9SG7375-4 FLEX EXHAUST TUBE G7375-4 Lincoln Electric 9SG7375-4 FLEX EXHAUST TUBE G7375-4 Sale Price: $1,406.22 Original Price: $1,617.15 FLEX EXHAUST TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FLEX EXHAUST TUBE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1