Hart & Cooley Steel Perforated Face Air Filter Grille, R4.2 Molded Insulation

Engineered for strength, versatility, and performance, this premium diffuser combines rugged steel construction with a highly functional perforated face design to deliver reliable air distribution in commercial and industrial HVAC systems. The unit features a flush, removable face that is secured with concealed latches and hinges, ensuring a clean, modern aesthetic with no visible fasteners. Designed for maximum flexibility, the face can be installed in any orientation, simplifying installation across a wide range of applications.

At the core of the diffuser is a molded fiberglass backpan, available in R4.2 insulation ratings, providing excellent thermal performance and energy efficiency. The diffuser is compatible with a variety of collar types, supporting 6" to 14" unique tab collars (6400 series) and 6" to 16" snap-in collars (5400 and 5400PP series). For added convenience, it also accepts standard spin-in collars, giving installers the freedom to work with existing system components.

The integrated steel frame includes four seismic safety connection points, meeting stringent building code requirements for structural integrity in seismic zones. Designed to accommodate standard 1" disposable filters (not included), the diffuser offers improved indoor air quality and simplified maintenance.

With a perfect balance of durability, adaptability, and clean design, this perforated face diffuser is ideal for new builds, renovations, and retrofit projects where performance and appearance matter.

• Steel diffuser with perforated face delivers even air distribution and a clean look, ideal for commercial HVAC applications
• Steel frame with concealed latches and molded fiberglass backpan (R4.2); supports standard 1" disposable filters (not included)
• Accepts 6"–14" tab collars, 6"–16" snap-in collars, and standard spin-in collars for broad system compatibility
• Installs in any direction with flush face and hidden hardware; includes four seismic safety connections for secure mounting
• Trusted Excellence: Hart & Cooley has been a trusted name in HVAC since 1901, delivering reliable, professional-grade air distribution products built for performance and durability
• Color: White
• Dimensions (L x W x H): 23.75 x 23.75 x 4.25 inches
• Weight: 3.35 pounds