Lincoln K and KP Numbers › Lincoln Electric KP3360-1 EXTENDED DIFFUSER, THREAD-ON, 350A Lincoln Electric KP3360-1 EXTENDED DIFFUSER, THREAD-ON, 350A Sale Price: $24.38 Original Price: $27.30 EXTENDED DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! EXTENDED DIFFUSER, THREAD-ON, 350A PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000