Roof vent terminations are weatherproofed. For use with DuraVent Type B gas vent pipes that are 3" in diameter. Adjusts to roofs with pitches between 0/12 to 6/12. Galvalume structure is strong and long-lasting. A 25-year warranty is included. Dimensions: 18 3/8" L x 16" W. A venting pipe with a 3" inner diameter is required for this unit. When a hole must be cut in your roof, flashing is used to keep water out. This flashing is for use with the 3" DuraVent Type B gas vent pipes when you are creating the appropriate roof termination. It can be adjusted for use on roofs with pitches between 0/12 and 6/12. It has a 25-year warranty and is composed of robust galvalume material. To finish the roof terminal installation, a storm collar must be purchased separately. Dimensions are 18 3/8" L x 16" W.

Weather-proofs vent terminations on roofs For use with 3" Dura-Vent Type B Gas Vent pipes Adjusts to roofs with pitches between 0/12 to 6/12 Durable galvalume construction 25-year warranty *Separately purchased Storm Collar required Dimensions: 18 3/8" L x 16" W