Lincoln Service Parts 1 › Lincoln Electric 9SG11577-1 FILTER BASE UPPER (BLACK) G11577-1 Lincoln Electric 9SG11577-1 FILTER BASE UPPER (BLACK) G11577-1 Sale Price: $114.94 Original Price: $132.18 FILTER BASE UPPER (BLACK) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! FILTER BASE UPPER (BLACK) PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1