Side Entry Grille Box 900x400 (Any Spigot Size)

Pre-insulated side entry grille boxes

Side Entry Grill Box

Neck Size: 900×400 mm with any size spigot, up to the box size
(Custom spigot sizes available – please specify in notes when ordering)

Fabricated from Kingspan KoolDuct panels, these R1.0 pre-insulated grill boxes are lightweight and easy to install, with no additional lagging required.

Compatible with the KoolDuct system, sheet metal duct systems, or flexible ducting, these side-entry grill boxes are ideal for both supply and exhaust applications.

The design ensures a continuous, smooth airflow to grilles and diffusers, improving performance and reducing noise.

Key Features:

• Lightweight, pre-insulated construction

• No additional lagging required

• Compatible with KoolDuct, sheet metal, or flexible ducting

• Side entry design suitable for both supply and exhaust

• Includes channel on bottom of box for easy fitting to grilles

• Price includes one spigot per box (any size, up to the box size)

Ordering Note:
Please specify any custom spigot size in the order notes.