8RF - Steel perforated return grille

The 8RF is a durable steel return grille designed for use in HVAC systems. Featuring a perforated face with a 51% free area, the 8RF efficiently facilitates airflow for optimal system performance. This model accommodates standard filter sizes, with commonly available 1-inch thick filters readily found at hardware stores. Installation and maintenance are simplified with quarter-turn fasteners for easy filter access, while an optional knurled knob fastener offers additional flexibility.

Key features of the 8RF steel perforated return grille include its robust steel construction, ensuring long-term durability and resistance to damage. The 51% free area perforation pattern enables efficient airflow, while compatibility with standard filter sizes simplifies filter replacement. The inclusion of both quarter-turn and optional knurled knob fasteners ensures convenient access for maintenance.

8RF steel perforated return grilles are commonly utilized in a variety of construction projects requiring reliable HVAC performance. These grilles are well-suited for commercial buildings, institutions, and residential applications where efficient air return is crucial. Their durable construction and ease of maintenance make them a practical choice for both new construction and retrofit projects, aligning with Masterformat Division 23 37 13 for Diffusers, Registers, and Grilles.