DuraVent DirectVent Pro 48" Pipe Length – Black 4" x 6-5/8" (46DVA-48B)

48" straight pipe length for DirectVent Pro 4" x 6-5/8" direct‑vent systems.
Fully unitized twist‑lock construction for gas fireplaces, stoves, and heaters; use to extend straight vent runs.
Black exterior with laser‑welded outer wall seams; subtract 1‑1/2" per joint when calculating installed length.