Introducing the Linear Direct Vent Fireplace, Venice Lights. Venice Lights spans 43" across and uses clear glass beads and a reflective black porcelain interior which intensify the look of the flame. You can convert your Direct Vent to a See-Thru model with an accessory glass door. Take the transformation even further with the Indoor/Outdoor glass door kit. This unique accessory includes a tempered glass door and weather-proof frame allowing you to enjoy your fireplace while inside or out.