Lincoln Service Parts 1 › Lincoln Electric 9SM19801-1 AIR FILTER M19801-1 Lincoln Electric 9SM19801-1 AIR FILTER M19801-1 Sale Price: $223.43 Original Price: $256.95 AIR FILTER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AIR FILTER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1