DuraVent FasNSeal W2 6" 23 Degree 316L Stainless Steel Double Wall Bird Screen d25.75 plus it has some flexibility

plus it has some flexibility to allow you to conform to different placement situations and different pipe setups

3" Kit Contains:

21" Technical Dimensions

The Remii electric fireplalces are available in a variety of widths to compliment any size of room and our ‘out-of-the-box’ system makes it easy for you or your builder to install a Remii Electric Fireplace in no time

DuraVent FasNSeal W2 6" 23 Degree 316L Stainless Steel Double Wall Bird Screen d25.75 plus it has some flexibilityFasNSeal 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