Lincoln Electric KP4766-2-B25 DIFFUSER, SLIP-ON, 550A, COPPER Sale Price: $588.43 Original Price: $635.50 DIFFUSER, SLIP-ON, 550A, COPPER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25 Quantity: Add To Cart Added! DIFFUSER, SLIP-ON, 550A, COPPER PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 25