Lincoln K and KP Numbers › Lincoln Electric KP4748-GL 17/18/26 GAS LENS INSULATOR Lincoln Electric KP4748-GL 17/18/26 GAS LENS INSULATOR Sale Price: $20.84 Original Price: $23.34 17/18/26 GAS LENS INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 2.000 Add To Cart Added! 17/18/26 GAS LENS INSULATOR PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 2.000