Engineered for high-capacity air distribution, the Hart & Cooley Steel 4-Way Diffuser with 3-Cone Design and 12-Inch Fixed Collar delivers powerful, uniform airflow for demanding commercial HVAC environments. Built from durable steel construction, this diffuser is designed for high air volume delivery while maintaining efficient 360-degree air diffusion, ensuring consistent comfort across the entire space.
The innovative 3-cone design with a fixed core enhances air throw performance, making it ideal for large areas such as offices, retail spaces, schools, and healthcare facilities. The formed steel back panel ensures long-lasting strength and stability during installation and operation.
This model features a factory-installed 12″ collar and includes a fiberglass insulation blanket with a foil vapor barrier to reduce condensation and support energy efficiency. For projects requiring advanced thermal performance, the HVS R6 model comes with a molded fiberglass backpan (R6) for added insulation. The insulation is pre-scored to accommodate various collar sizes, ensuring quick adjustments on-site.
The diffuser accepts the 5400 Series unique 2″ high snap-in collars (6″ to 12″) and can integrate a 3800 Series butterfly damper (ordered separately) for enhanced airflow control. With an overall size of 23 3/4″ x 23 3/4″, this unit fits standard ceiling grids, offering compatibility and ease of integration.
Finished in a Bright White powder coat, this diffuser combines durability, function, and clean aesthetics—making it a reliable solution for both new construction and retrofit HVAC installations.
- Steel 4-way diffuser with 3-cone design and fixed 12″ collar delivers 360-degree air diffusion for efficient, high-volume HVAC air distribution
- Features steel construction, fixed core, formed back panel, and fiberglass insulation with foil vapor barrier to reduce condensation.
- 3.75″ x 23.75″ size with factory-installed 12″ collar; accepts 5400 Series 6″–12″ snap-in collars and 3800 Series butterfly damper
- Bright white finish blends with ceiling tiles; insulation is pre-scored for fast collar sizing and fits standard ceiling grids with ease
- 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 5.75 inches
- Weight: 9.78 pounds
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
What material is the 4-way diffuse made of?
The 4-way diffuse is constructed from steel. This material choice supports everyday use while maintaining the structural integrity needed for the product’s intended applications.
How big is the 4-way diffuse?
The 4-way diffuse measures 23.75 x 23.75 x 5.75 inches (length x width x height). Use these measurements to confirm the product fits your intended setup before ordering.
How do I clean and care for the 4-way diffuse?
Wipe with a damp cloth and dry thoroughly to prevent rust. For powder-coated finishes, avoid abrasive cleaners that may scratch the coating. Regular light cleaning extends the lifespan of the 4-way diffuse and keeps it looking and performing well over time.
Who makes the 4-way diffuse?
The 4-way diffuse is made by Hart. Hart produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the 4-way diffuse weigh?
The 4-way diffuse weighs approximately 9.78 pounds. Use this figure when planning transport, handling, or placement of the item.
What should I know about the 4-way diffuse before buying?
The 4-way diffuse from Hart brings together a few practical features worth highlighting:
- steel construction
Review the product description and specifications to confirm it matches your specific needs before placing your order.
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