Lincoln K and KP Numbers › Lincoln Electric KP3360-1-B25 EXTENDED DIFFUSER, THREAD-ON, 350A Lincoln Electric KP3360-1-B25 EXTENDED DIFFUSER, THREAD-ON, 350A Sale Price: $584.82 Original Price: $655.00 EXTENDED DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000 Add To Cart Added! EXTENDED DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25.000