The PLAD37/25 Plastic Neck Adaptor connects square grilles to round ducting. It provides a secure, low-resistance transition between grille and duct, ensuring efficient airflow.
Application
Used to connect a square grille (neck size 375 x 75) to round ducting (spigot diameter 250). Ideal for residential and commercial HVAC systems requiring adaptable grille-to-duct connections.
Features / Benefits
- Lightweight, durable plastic construction
 - Simple push-fit installation
 - Smooth internal transition for improved airflow
 - Available in a range of neck and spigot size combinations