Lincoln K and KP Numbers › Lincoln Electric KP5290-3 HOSE KIT 20 FT. FM Lincoln Electric KP5290-3 HOSE KIT 20 FT. FM Sale Price: $273.75 Original Price: $306.60 HOSE KIT 20 FT. FM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! HOSE KIT 20 FT. FM PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000