DuraVent FasNSeal 5" x 36" 316L Stainless Steel Adjustable Vent Length w38 It accepts a 4" oval

It accepts a 4" oval flue collar and converts it to a 4" round flue vent

5'' (L x W x H) Net Weight 30 lbs

Use as a replacement gasket for PolyPro flex products

000 Nozzle BTU - Flex Line 36" Burner 30" x 8" S-Fire Gas Type Liquid Propane Ignition Style Push Button Flame Sensing Required Items Lava Rock / Rolled Lava Stone (2 bags)

Or Natural Gas Hi to Lo Flame Control Yes Piezo Matchless Ignition Yes Oxygen Depletion Sensor Yes Aftermarket Manufactured Home Approved Yes Options Available 19HS Blower  Shipping Weight (Includes Pallet/Crate) 51 lbs Shipping Length (Includes Pallet/Crate) 27" Shipping Width (Includes Pallet/Crate) 18" Shipping Height (Includes Pallet/Crate) 28

DuraVent FasNSeal 5" x 36" 316L Stainless Steel Adjustable Vent Length w38 It accepts a 4" ovalAll 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