Lincoln K and KP Numbers › Lincoln Electric KP2746-1 DIFFUSER, THREAD-ON, 350A Lincoln Electric KP2746-1 DIFFUSER, THREAD-ON, 350A Sale Price: $13.52 Original Price: $15.14 DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000