Astria 48-inch Black Reflective Glass Liner Kit CGLK-BLK-LIN48Astria 48 inch Black Reflective Glass Liner Kit CGLK BLK LIN48 Product Details What features does the Astria 48 inch Black Reflective Glass Liner Kit include to enhance heat retention and visual appeal in a fireplace setup? The Astria 48 inch Black Reflective Glass Liner Kit is designed with several features that enhance both heat retention and visual appeal in a fireplace setup. The reflective glass surfaces amplify the flames' brightness and create