DuraVent FasNSeal 10" x 18" 29-4C Stainless Steel Vent Length replacement-control-cover Measures 9 inches tall and

Measures 9 inches tall and 12 1/2 inches across

This offset box is designed to allow you to adjust the insert front and back inside the firebox

*Note: Battery is not included and sold separately

Williams Furnace High Altitude Conversion Kit with all Required Orifices for 2001622A

SAFETY FIRST:

DuraVent FasNSeal 10" x 18" 29-4C Stainless Steel Vent Length replacement-control-cover Measures 9 inches tall andAll 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