Superior Cold Air Collar Kit - 12 Inch Chimney - CAK-12 6DVLFF It is recommend that for

It is recommend that for every 5 linear feet of an island one vent is installed

Pan Shape Linear Fuel Type Natural Gas Shape Linear T Ring Size 48" BTU 55

000 (NG) Heating Capacity Up to 1

lava rockTempered glassFiber brick refractory 12' control wireJunction box

Can't get better than that

Superior Cold Air Collar Kit - 12 Inch Chimney - CAK-12 6DVLFF It is recommend that forFeatures: Experience the ultimate in wood burning efficiency with our Superior Cold Air Collar Kit the perfect addition to your fireplace. This component has been built to the highest standards with heavy duty steel construction. Refer to your fireplace installation manual for manufacturer specifications and installation guidelines. Type: Cold Air Collar Kit For use with 12" Woodburning Pipe Limited Lifetime Warranty