DuraVent PelletVent Pro Vertical Flat Ceiling Venting Kit - For Vent Pipes with a 4" Inner Diameter - 4PVP-KVA: A venting pipe with a 4" inner diameter is required for this unit. This kit contains everything you'll need to vent corn and pellet stoves and inserts through a level ceiling. The 4" PelletVent Pro vent pipes are compatible with it. One vertical rain cap, an adjustable roof flashing, a cathedral ceiling support firestop spacer, and a 3" to 4" increaser/appliance adaptor are included in the kit. The PelletVent Pro system creates vents with laser-welded double-wall tubing that are tailored to the needs of pellet stoves.

Kit for vertically venting corn and pellet-fueled stoves and inserts through flat ceilings Suitable for use with 4" PelletVent Pro Vent Pipes Limited lifetime warranty Includes: one (1) vertical rain cap adjustable roof flashing one (1) storm collar one (1) cathedral ceiling support firestop spacer one (1) 3" to 4" black increaser/appliance adaptor