DuraVent FasNSeal 16" x 18" 316L Stainless Steel Adjustable Vent Length oil-furnace Model Number ONF01-441D (OFG309-SS) Length

Model Number ONF01-441D (OFG309-SS) Length 41" / 104

Disposal Door - Allows for ashes to be easily swept out

The 23 inch round reflector hood evenly spreads the 11

SIU17550TGN5/L5:

The air sucked up by the sweeper is filtered and cleared of a very big part of allergens

DuraVent FasNSeal 16" x 18" 316L Stainless Steel Adjustable Vent Length oil-furnace Model Number ONF01-441D (OFG309-SS) LengthAll 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