DuraVent FasNSeal 4" Variable Pitch Flashing Kit With Universal Appliance Adapter w59.13 refer to the Type B

refer to the Type B Gas Vent section

This periscope kit is designed for 5 Inch x 8 Inch direct vent piping in order to properly terminate your vent components with below grade wall penetration

X 7' 6" Right

Transformer

Keystone Premium Fireplace (BVP42FP)

DuraVent FasNSeal 4" Variable Pitch Flashing Kit With Universal Appliance Adapter w59.13 refer to the Type BAll FasNSeal (single 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