Master Flow® Foundation Vent ‑ Grill Style with Lintel ‑ LW1L Specs

      Master Flow® Foundation Vent ‑ Grill Style with Lintel ‑ LW1L Docs

      Master Flow® Foundation Vent ‑ Grill Style with Lintel ‑ LW1L Videos

      Sturdy
      STURDY
      Die-cast aluminum vanes
      Convenient
      CONVENIENT
      Includes damper and lintel
      Versatile
      VERSATILE
      Designed for nailing to floor joists or as a foundation block replacement

      Where to buy

      Find a GAF distributor near you.

      Find a contractor

      Find a GAF certified contractor near you.