Eggcrate Grille

REF-EG

REF-EG Eggcrate Grille is a high-quality return air grille designed for HVAC ventilation systems. It features a standardized 12.7x12.7mm eggcrate pattern available in vertical or 45° fixed orientations. Models include fixed grilles (REF-EG-BA) and removable hinged grilles with filters (REF-EG-B). With screw mounting (standard) or optional concealed clip fixing, and finishes in white powder coating (RAL9016, RAL9010) or custom colors, it ensures efficient airflow and aesthetic integration for commercial and residential applications.

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REF-EG Eggcrate Return Air Grille

High-quality eggcrate grilles designed for efficient air return in HVAC systems. Available in fixed and removable designs with multiple finish options.

About REF-EG Eggcrate Grilles

The REF-EG series of eggcrate return air grilles are engineered for optimal airflow and aesthetic integration in commercial and residential ventilation systems. These grilles feature a standardized egg crate size of 12.7×12.7mm, available in vertical or 45° fixed orientations, making them an ideal choice for air return applications.

12.7×12.7mm

Egg Crate Size

Vertical / 45°

Fixed Orientation

Multiple

Finish Options

Model Types & Features

The REF-EG eggcrate grille series includes several models to suit different installation and maintenance needs.

Available Models:

REF-EG-A: Fixed eggcrate grille

REF-EG-B: Removable hinged eggcrate grille with filter

REF-EG-C, REF-EG-D, REF-EG-R: Additional specialized eggcrate return air grille models

General Features:

Primary Use: Return air grille in HVAC systems

Mounting: Screw mounting (standard), concealed clip fixing (optional)

Finishing: White powder coating (RAL9016, RAL9010), custom colors, anodized

Accessories: Damper, Plenum box available

Standard Sizes & Air Performance

Standard Size (mm)	Effective Area (m²)	Air Volume (m³/h)
200×200	0.031	300
250×250	0.049	450
300×300	0.076	735
350×350	0.103	900
400×400	0.134	1300
450×450	0.177	1750
500×500	0.212	2050
600×600	0.326	3000
700×700	0.449	4000
800×800	0.590	6000
900×900	0.751	7000

Note: The above data represents typical performance for the eggcrate return air grille series. Actual performance may vary based on installation conditions and system configuration.

Why Choose REF-EG Eggcrate Grilles?

Optimized Airflow

The 12.7×12.7mm eggcrate design ensures efficient air return with minimal resistance, making it an excellent return air grille solution.

Durable Construction

Manufactured from high-quality materials with powder-coated or anodized finishes for long-lasting performance in various environments.

Easy Installation & Maintenance

Standard screw mounting with optional concealed clips. The REF-B model features a removable hinged design with filter for easy cleaning.

Aesthetic Flexibility

Available in standard white (RAL9016, RAL9010) or customized colors to match interior design requirements.

Wide Size Range

From compact 200×200mm to large 900×900mm sizes, suitable for various commercial and residential ventilation needs.

Versatile Application

Ideal as an eggcrate return air grille in offices, hotels, schools, hospitals, and other commercial or institutional buildings.

Typical Applications

Commercial Buildings

• Office HVAC Systems

• Shopping Malls & Retail

• Hotels & Restaurants

• Conference Centers

Institutional Facilities

• Schools & Universities

• Hospitals & Clinics

• Laboratories

• Government Buildings

Residential & Light Commercial

• Apartment Buildings

• Luxury Homes

• Small Offices

• Boutique Stores

Professional HVAC Solution

The REF-EG series of eggcrate grilles provides a reliable and efficient solution for return air applications in modern ventilation systems. With multiple models, sizes, and finishes available, these eggcrate return air grilles offer both performance and aesthetic flexibility for HVAC professionals and building designers.

REF-EG Eggcrate Grille Support

Comprehensive warranty, technical support, and FAQs for your eggcrate return air grille systems

12-Month Warranty Coverage

We provide a 12-month warranty period for our REF-EG Eggcrate Grille products, calculated from the date the customer receives the goods. During this warranty period, we will provide free replacement for any defects caused by product material or manufacturing quality issues.

12

Months Warranty

✓

Material Defects Coverage

✓

Manufacturing Issues

Technical Support

We offer dedicated email support to assist with any questions or issues you may have regarding your REF-EG Eggcrate Grille installation. Our technical team can help with sizing, installation guidance, compatibility questions, and technical specifications.

✉️

Email Support

sharon.pan@refria.com

Contact us for technical questions, installation guidance, or product specifications

⏱️

Response Time

Within 24 hours

(1 business days) for technical inquiries

Information to Include

•

Product model (REF-EG-A, REF-EG-B, REF-EG-C, etc.)

•

Size and finish specifications

•

Installation environment details

•

Clear photos of the issue if applicable

Frequently Asked Questions

What are the installation options for REF-EG Eggcrate Grilles?

REF-EG eggcrate return air grilles offer flexible installation options to suit different applications:

Standard Screw Mounting: Included with all models for secure, permanent installation

Optional Concealed Clip Fixing: Available for a cleaner, screw-free appearance

Removable Design (REF-B Model): Features hinged construction with filter for easy maintenance and cleaning

How do I clean and maintain my eggcrate return air grille?

Proper maintenance ensures optimal performance and extends the life of your eggcrate grille:

Regular Cleaning

Wipe surface with a damp cloth. For REF-B models, remove and clean filter every 3-6 months.

Avoid Harsh Chemicals

Use mild soap and water. Avoid abrasive cleaners that may damage the finish.

Inspect Regularly

Check for dust accumulation in eggcrate openings that may restrict airflow.

Professional Inspection

Include grille inspection in annual HVAC system maintenance.

What actions void the REF-EG Eggcrate Grille warranty?

The following situations are not covered by the warranty:

×

Damage caused by improper installation or modification

×

Physical damage from impact or excessive force

×

Damage from exposure to corrosive chemicals or extreme environments

×

Normal wear and tear or cosmetic changes over time

Installation Recommendation

For warranty validity, ensure proper installation by qualified HVAC professionals following manufacturer guidelines.

What is the difference between vertical and 45° fixed orientation?

REF-EG eggcrate grilles are available with two fixed orientation options for the 12.7×12.7mm eggcrate pattern:

Vertical Orientation

• Eggcrate blades run vertically
• Standard orientation for most applications
• Provides balanced airflow distribution
• Common choice for commercial installations

45° Fixed Orientation

• Eggcrate blades fixed at 45-degree angle
• Can help direct airflow in specific directions
• Used for aesthetic or functional requirements
• May provide different light diffusion effects

The choice between vertical and 45° orientation depends on your specific airflow requirements, aesthetic preferences, and installation constraints. Our technical team can help you select the appropriate orientation for your application.

Professional HVAC Support

Our technical support team specializes in eggcrate grille applications and can assist with sizing, installation planning, and compatibility questions. Whether you're installing a single eggcrate return air grille or specifying for a large commercial project, we're here to help ensure optimal performance and satisfaction.