Round duct 4″. The fully adjustable ventilation grilles are easy to install and adjust. GR grilles are ideal for use with Continental Fan’s selection of in-line fans.
Features & Benefits of GR Adjustable Bathroom Ventilation Grilles:
- Fully adjustable ventilation grille
- Easy to install and adjust
- Suitable for suspended ceilings
- Designed for use with heating or cooling system
- Center adjustable cone spins in and out
- White polypropylene diffuser
- Melting point: 325°F / 163°C
- Also available in Adjustable Grille Bathroom Ventilation Kit
- Available adjustable ventilation grille model: Adjustable GR100-6PK – Grille 4”, Collar – 6 Pcs
