The Superior Traditional Direct Vent Gas Fireplace Liner Kit is an interior panel set designed for compatible Superior direct vent gas fireplaces, enhancing the firebox appearance with multiple finish options. This liner kit is available in 35", 40", and 45" sizes to coordinate with matching Superior traditional direct vent fireplaces. It installs inside the firebox to create a more customized and finished interior presentation. Finish options include Blackstone, Blended Brown, Greystone, and Porcelain Black, giving you flexibility to complement your room's style and highlight the flame display. By upgrading the interior liner, you can change the overall tone of the fireplace from classic to contemporary. Porcelain Black offers a reflective surface for enhanced flame contrast, while textured liner options provide added depth and dimension. Selecting the correct size ensures proper fit and alignment with your existing fireplace model. The liner kit is designed for installation inside compatible Superior traditional direct vent gas fireplaces in 35", 40", or 45" configurations. Proper sizing is required to match your specific fireplace model. Professional installation is recommended to ensure correct placement and secure attachment in accordance with the manufacturer's specifications. This product is an interior liner kit and does not include operational controls. Its purpose is to enhance the visual presentation of the firebox interior. Multiple finish options allow you to tailor the fireplace's interior aesthetic while maintaining compatibility with the heating system.