DuraVent PelletVent Pro 60" Flex Vent Pipe - 4" Inner Diameter - 4PVP-60F: This unit necessitates a venting pipe with a 4" inner diameter. You'll need sufficient ventilation for your pellet or corn-fueled fires. Although not as prevalent as wood-burning fireplace parts, DuraVent provides all of the necessary accessories. This Pro 60" flex vent pipe with a 4" diameter is ideal for properly and safely ventilating the fireplace. It contains laser-welded seams that prevent leaking and eliminate the need for additional sealants or gaskets. This vent pipe is suitable for masonry chimneys. It provides a remarkable 1" clearance to combustibles and does it swiftly thanks to its simple installation.

Provides venting offsets for pellet and corn-fueled stoves and inserts Suitable for relining masonry chimneys .012" stainless steel inner wall and .018" galvalume outer wall Air-insulated double-wall construction Laser-welded seams Secure twist-lock connections 1" clearance to combustibles UL Listed Limited lifetime warranty Dimensions: 4" inner diameter with a 4 5/8" outer diameter 60" length