Spark Fireplaces Black Finish Direct Vent Media Tray for 88E Fire Ribbon Fireplace vent kit We analyzed the dimensions of PC43265 CLRB TWCM Modern We analyzed the dimensions of over fifteen thousand fireplace openings and the outcome was a list of some of the most common dimensions to fit the majority of standard fireplaces glass with steel frame Glass type Ceramic glass Glass surface – dimensions (Width X Height) 23 7 8" X 10 1 2" Glass air wash system Yes Premium quality blower included (CFM) 176 Overall dimension (Height) 40 5 8" Overall dimension (Width) 36 3 4" Overall dimension (Depth) 28 5 8" Door opening – dimension (Height) 10 1 2" Door opening dimension (Width) 25 3 8" Firebox – dimension (Height) 12 1 8" Firebox – dimension (Width) 20 3 8" Firebox – dimension (Depth) 13" Molded refractory bricks Yes Stainless steel secondary air system improving gas combustion Yes USA standard (emissions) EPA Canadian Standard (emissions) CSA B415 This media tray holds fire objects for direct vent models Durable Construction