Lincoln K and KP Numbers › Lincoln Electric KP1981-1 FILTER PLATE SUPER VISIBILITY #8 Lincoln Electric KP1981-1 FILTER PLATE SUPER VISIBILITY #8 Sale Price: $5.52 Original Price: $6.18 FILTER PLATE SUPER VISIBILITY #8 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! FILTER PLATE SUPER VISIBILITY #8 PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000