Product Description

The Fixed Core Eggcrate Grille with Neck Adaptor (ECG-FCNA) is a complete return air grille assembly designed for HVAC ceiling and wall applications. It features a fixed eggcrate core, an integrated neck adaptor for duct connection, butterfly damper blades for airflow balancing, and fixing clips for easy installation.

This model provides a practical all-in-one solution for return air transfer, combining high free area, simple duct connection, and convenient installation in one unit.

Key Features

• Fixed eggcrate core for durable and maintenance-free operation
• Neck adaptor for direct connection to round or square duct openings
• Butterfly damper blades for airflow regulation
• Fixing clips for fast and secure installation
• High free area with low pressure drop
• Lightweight, corrosion-resistant aluminum construction
• Clean appearance for commercial and residential ceiling applications

Structure

• Frame: Extruded aluminum frame
• Core: Fixed eggcrate core
• Neck Adaptor: Integrated rear neck for duct connection
• Damper: Butterfly blade damper fitted in the neck
• Fixing Method: Spring fixing clips / metal clips
• Finish: Powder coated or customized

Applications

• HVAC return air systems
• Ceiling return air openings
• Wall return air openings
• Commercial ventilation systems
• Office buildings
• Retail spaces
• Hotels
• Residential air distribution systems

Technical Specifications

• Material: Aluminum
• Core Type: Fixed eggcrate core
• Neck Type: Rear neck adaptor
• Damper Type: Butterfly damper blades
• Accessories: Fixing clips included
• Shape: Square / Rectangular / Round neck optional
• Finish: White powder coating standard
• Installation: Ceiling or wall mounted
• Size: Standard and custom sizes available

Product Advantages

Compared with a standard fixed core eggcrate grille, the ECG-FCNA version offers easier duct connection and better installation efficiency due to its integrated neck adaptor and fixing clips.

The built-in butterfly damper also allows basic airflow balancing without the need for additional accessories.

This makes it an ideal choice for projects requiring a compact, ready-to-install return air grille assembly.