Lincoln Service Parts 2 › Lincoln Electric 9SS31225-15 AIR PRESSURE GAUGE S31225-15 Lincoln Electric 9SS31225-15 AIR PRESSURE GAUGE S31225-15 Sale Price: $145.08 Original Price: $166.84 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