Master Flow® Aluminum Soffit / Undereave Vents Specs

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      Located at the lowest portion of the roof, these easy-to-install vents are a critical part of the attic ventilation system, allowing the flow of fresh air into your attic. Screened aluminum soffit/undereave vents provide 26 - 50 sq. in. of NFA to allow cool, fresh air to enter the attic. Simple installation with pre-punched nail holes and surface-mount design.

      Versatile
      VERSATILE
      All-purpose intake ventilation
      Easy to Install
      EASY INSTALLATION
      Surface-mount design with pre-punched nail holes makes installation a snap
      Durable
      DURABLE
      Screened aluminum construction helps resist insect infiltration and corrosion
      Note: Always have a balanced ventilation system. In no case should the amount of exhaust ventilation exceed the amount of intake ventilation. 
      Size
      EAC16x8
      Net Free Areas (NFA)50 sq. in.NFA
      Widths8" (203 mm)
      EAC16x4
      Net Free Areas (NFA)26 sq. in. NFA
      Widths4" (102 mm)

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