Lincoln K and KP Numbers › Lincoln Electric KP6049-B10 DIFFUSER INSULATOR Lincoln Electric KP6049-B10 DIFFUSER INSULATOR Sale Price: $78.75 Original Price: $88.20 DIFFUSER INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000 Add To Cart Added! DIFFUSER INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 10.000