

Enhance your HVAC system's efficiency with the 190 RF Stamped Return Air Filter Grille. Designed for precise compatibility with the L88-177 series, this steel filter grille features a 1/2" fin spacing and a hinged door for easy filter replacement. Measuring 20" W x 25" H, it ensures optimal air circulation while maintaining a clean, sleek appearance. Installation is a breeze and can be done in under 20 minutes with common tools.