DuraVent FasNSeal W2 16" 15 Degree 316L Stainless Steel Double Wall Elbow h62.75 which gives you a simple

which gives you a simple way to have your cable box

Product Type Mid Section Pipe Length 12" Diameter 7" Finish RAL 4009 49/34740 Powder Coat Documents & Files

Size: 36-inch

some soot will build up on the bottom of Heat Deflector

If your chimney runs along the outside wall of your house

DuraVent FasNSeal W2 16" 15 Degree 316L Stainless Steel Double Wall Elbow h62.75 which gives you a simpleFasNSeal W2 (double wall) vent lengths and components feature patented built in mechanical locking band and triple lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90 from mechanical locking bands. This construction feature allows for ease of installation. The air space between the inner and outer wall on FasNSeal W2 helps to reduce the clearance to combustibles in addition to creating a heat shield