Lincoln K and KP Numbers › Lincoln Electric KP3991-25 CONDUIT LINER 25FT MAGNUM PRO Lincoln Electric KP3991-25 CONDUIT LINER 25FT MAGNUM PRO Sale Price: $144.28 Original Price: $161.59 CONDUIT LINER 25FT MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! CONDUIT LINER 25FT MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000