Lincoln Service Parts 2 › Lincoln Electric 9SS31225-6 AIR PRESSURE GAUGE S31225-6 Lincoln Electric 9SS31225-6 AIR PRESSURE GAUGE S31225-6 Sale Price: $126.77 Original Price: $145.78 AIR PRESSURE GAUGE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AIR PRESSURE GAUGE PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1