Lincoln Service Parts 1 › Lincoln Electric 9SL11566-7 HARMONIC FILTER ASBLY L11566-7 Lincoln Electric 9SL11566-7 HARMONIC FILTER ASBLY L11566-7 Sale Price: $2,060.87 Original Price: $2,370.00 HARMONIC FILTER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! HARMONIC FILTER ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1