Lincoln Service Parts 1 › Lincoln Electric 9SM15045-40 ACOUSTICAL FOAM M15045-40 Lincoln Electric 9SM15045-40 ACOUSTICAL FOAM M15045-40 Sale Price: $21.18 Original Price: $24.36 ACOUSTICAL FOAM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! ACOUSTICAL FOAM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1