Lincoln Service Parts 1 › Lincoln Electric 9SM19577-2 FILTER CIRCUIT BOARD M19577-2 Lincoln Electric 9SM19577-2 FILTER CIRCUIT BOARD M19577-2 Sale Price: $74.61 Original Price: $85.80 FILTER CIRCUIT BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FILTER CIRCUIT BOARD PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1