540/640 - Residential Supply Grille

The 540/640 Residential Supply Grille is available with a standard or split section parallel blade damper. The front blades are individually adjustable for pattern direction control, while an integrated damper provides volume control. The 540/640 is ideally suited for apartment, condominium, or residential applications.

Typical Applications

Most commonly used in sidewall applications, 500/600/700 Series is available with both supply and return construction options. With a variety of different frame styles, the louvered grilles can easily be integrated into most ceiling and surface mount applications.