Multi Spigot Plastic Grille Box 550 x 550 – 200/250/300 Spigots

£19.95 (ex VAT)
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550 × 550 Multi-Spigot Plastic Grille Box – 200mm / 250mm / 300mm Duct Connections

Built for large-scale airflow applications, this 550x550 multi-spigot plastic plenum box offers maximum flexibility for HVAC installations, allowing connection to 200mm, 250mm or 300mm ducting from a single hygienic, easy-fit unit.

Manufactured from durable, non-corrosive polymer, the box is simple to clean and helps reduce duct-borne bacteria—making it ideal for commercial ventilation environments.

With a slim 100mm box height and lightweight construction, it fits neatly into ceiling voids while remaining quick to install despite its larger face size.


✅ Key Features & Benefits

  • Multi-spigot connections for 200mm, 250mm & 300mm ducting

  • Large 550 × 550mm face size

  • Slim 100mm box height

  • Hygienic, easy-clean polymer construction

  • Non-corrosive and moisture-resistant

  • Lightweight for efficient installation

  • Suitable for supply or extract air systems


📐 Technical Specifications

  • Face Size: 550 × 550mm

  • Spigot Sizes: 200mm / 250mm / 300mm

  • Box Height: 100mm

  • Material: Non-corrosive polymer

  • Application: Supply & Extract Ventilation

  • Installation: Ceiling or wall voids