33RFL - Steel heavy duty filter grille

The 33RFL is a steel heavy-duty filter grille designed for demanding HVAC applications. It features closely spaced 1/2" blades, offering superior filtration capabilities compared to standard grilles. The 38-degree blade deflection ensures efficient airflow distribution, while the durable steel construction provides long-lasting performance in commercial and industrial settings.

Key features of the 33RFL include its compatibility with standard 1" thick filters, readily available at most hardware stores. The grille is designed for easy filter access, utilizing quarter-turn fasteners for quick replacement. For added convenience, an optional knurled knob fastener is also available. The 33RFL is offered in a range of common filter sizes to accommodate various HVAC system requirements.

This heavy-duty filter grille is commonly found in projects requiring robust air filtration, such as manufacturing facilities, warehouses, and mechanical rooms. The 33RFL's durable construction and efficient design make it suitable for applications where airborne particulate control is crucial. Whether it's a new construction project or an HVAC system upgrade, the 33RFL provides a reliable solution for demanding environments.