Monessen 36" BDV Series Heat Circulating Remote Ready Natural Gas Direct Vent Fireplace 16" deep direct vent fireplace with tempered glass Glowing ceramic fiber logs with ember bed and realistic high flame Optional cottage clay firebrick Easy access door latches Removable unitized louver systems for top and bottom Field convertible to vent horizontally or vertically Certified as a vented gas fireplace heater to ANS Z21.88/ CSA 2.33 standards Installs with Simpson Dura Vent 4" x 6-5/8" vent pipe Flex line with on/off shut-off valve included Thermostat blower available Variable hi/lo flame control Large viewing area Consumer- friendly control panel Thermal efficiency up to 80% Limited Lifetime Warranty CSA design certified