TruAire 48 in. Steel Baseboard Diffuser Supply

The 121SW-48 is a 48 in. baseboard return air diffuser used for baseboard openings. This diffuser returns air to your home and offers a subtle baseboard design. 1 simple pull of the latch and the single damper will close quietly and smoothly. Our product is constructed to ensure maximum airflow and compliment your home decor. Using our product to outfit your ventilation system will improve your home air circulation.