Lincoln Service Parts 1 › Lincoln Electric 9SL11566-9 HARMONIC FILTER ASBLY L11566-9 Lincoln Electric 9SL11566-9 HARMONIC FILTER ASBLY L11566-9 Sale Price: $1,792.32 Original Price: $2,061.17 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