DuraVent FasNSeal W2 16" 45 Degree 29-4C Stainless Steel Double Wall Elbow w26.50 Can I use B vent

Can I use B vent instead

000 Burner Type 18" Penta Standard / Torpedo Gas Type Liquid Propane Ignition Style Push Button Flame Sensing Required Items Lava Rock / Rolled Lava Stone (2 bags)

Easy-to-grip ball handles

Color Finish: Smoke

Black Square Faceplate

DuraVent FasNSeal W2 16" 45 Degree 29-4C Stainless Steel Double Wall Elbow w26.50 Can I use B ventFasNSeal 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