The GBTD Insulated TD Grille Box provides a compact and efficient transition between ceiling grilles or diffusers and ducting. Its insulated panel design reduces noise and thermal loss in air distribution systems.
Application
Used to connect grilles or diffusers to round ducting in air conditioning and ventilation systems. Ideal for installations where insulation and noise control are required
Features / Benefits
- 20 mm insulated panel with black internal finish (standard)
 - Aluminium flange for secure grille mounting
 - Available in a wide range of spigot sizes
 - Lightweight, durable, and easy to install
 - NSgbTD code for any deviation from standard drawing