Lincoln K and KP Numbers › Lincoln Electric KP3991-15 CONDUIT LINER 15FT MAGNUM PRO Lincoln Electric KP3991-15 CONDUIT LINER 15FT MAGNUM PRO Sale Price: $103.33 Original Price: $115.73 CONDUIT LINER 15FT MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! CONDUIT LINER 15FT MAGNUM PRO PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000