Lincoln K and KP Numbers › Lincoln Electric KP2746-1-B25 DIFFUSER, THREAD-ON, 350A Lincoln Electric KP2746-1-B25 DIFFUSER, THREAD-ON, 350A Sale Price: $340.63 Original Price: $381.50 DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000