Airtec model GRD Diffusers.

Combine both the grille and damper of the one-piece MV model, but without the boot. Designed for side or bottom entry into conventional metal duct fabrication. Standard 8" size only. Plastic construction.

Features:

• Mounting clip accommodates thicknesses up to 11/4"
• Virtually air tight butterfly damper rubber gasket delivers superior seal when closed
• Damper handle allows smooth, easy turning adjustment from below for fully open to tightly closed position
• High grade polymer grille resists breakage, scratching, yellowing and fading.
• Patented one piece grille, damper box and lightning fast installation