DuraVent FasNSeal W2 4" 23 Degree 29-4C Stainless Steel Double Wall Bird Screen slim 4 holes in a straight

4 holes in a straight line on one side

Round end is 8"

trackless doors Will Fit Widths 32" to 35" Will Fit Heights 25" to 27 3/8" Overall Frame Size Width x Heights 36 x 28 *When ordering standard masonry overlap fit doors it is best to go with the smaller frame size

The Cube also has an optional speaker base and optional leg base available for purchase

DuraVent FasNSeal W2 4" 23 Degree 29-4C Stainless Steel Double Wall Bird Screen slim 4 holes in a straightFasNSeal 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