401904 – Gravity Grille 150mm

401904

 

Description: Our External Gravity Grilles serve a critical need to allow air flow through openings in buildings. The grilles are suitable for External use and are easy to install. The Grilles utilise lightweight flaps/vanes for reduced airflow restriction.

Gravity Flap Outlets are designed to provide a back-draft barrier, but are not for recommendation in exposed areas. All are designed for optimum airflow Performance. The pressure loss figures detailed below are exhaust figures.

Application: External use

Key features:

  • High-Impact Polystyrene (HIPS)
  • Airflow Area: 16,000mm2

Colour:

  • White

Dimensions:

  • Front Facia: 180x180mm
  • Spigot Diameter: 148mmø
  • Spigot Length: 33mm
  • Facia Width: 15mm

 

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