SIDE LOAD20X16

Product description

FRB20X16 Return Air Filter Grille
This is a wall or ceiling-mounted grille designed to hold a standard HVAC air filter while allowing return airflow back into the system.

Key specifications

• Type: Return air filter grille / filter frame
• Nominal size: 20" × 16" duct opening
• Function: Covers return air duct and holds a replaceable filter
• Filter size typically used: 20×16×1 standard HVAC filter (or 16×20 depending on orientation)
• Material: Usually steel or aluminum with white powder-coated finish
• Installation: Wall or ceiling mounted in HVAC return duct system

What it does

• Draws air back into the HVAC system
• Holds the air filter in place for filtration
• Protects duct opening
• Helps maintain airflow balance and indoor air quality

(These 20×16 filter grilles are a common residential return size in HVAC systems)