Description
The Outdoor Plus Avalon 24" Copper Vein Powder Coated Metal Natural Gas Fire Bowl with 12V Electronic Ignition l35.5 000 Btu hr Additional Ventilation Required: 58DVA CF 49in Style:With Digital Timer On off switch w 000 Btu hr Additional Ventilation Required: 0 CFM 4 CFM per 1000 Btu hr = 400 CFM Heat Loss Due to Ventilation 0 Btu hr Q = CFM x 60 min hr x TD x 0 The Ventis HE275CF fireplace requires 6" chimney venting and includes a 6" Rock Vent Anchor Plate to start the chimney pipe off the top of the fireplace