The Spartherm Premium Triple 50x50x54 is a three-sided lift door fire. Due to the three open sides of this fireplace of the Premium series, the fire is maximally visible. Nothing obstructs the view of the fire due to the invisible frames of the fireplace. The sturdy door construction ensures that the door cannot twist, this door is very solid and easy to operate. The Premium series guarantees efficient combustion with a high efficiency.