Lincoln Service Parts 2 › Lincoln Electric 9SS20591-6 ADAPTER, HOSE TO TUBE, 1.75 TO 1.25 IN S20591-6 Lincoln Electric 9SS20591-6 ADAPTER, HOSE TO TUBE, 1.75 TO 1.25 IN S20591-6 Sale Price: $44.64 Original Price: $51.34 ADAPTER, HOSE TO TUBE, 1.75 TO 1.25 IN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ADAPTER, HOSE TO TUBE, 1.75 TO 1.25 IN PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1