Lincoln K and KP Numbers › Lincoln Electric KP5291-3 HOSE KIT 20 FT. DP Lincoln Electric KP5291-3 HOSE KIT 20 FT. DP Sale Price: $322.92 Original Price: $361.67 HOSE KIT 20 FT. DP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000 Add To Cart Added! HOSE KIT 20 FT. DP PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1.000