Repa 21.5" Square Aluminum Diffuser Vent Cover

Updated August 8, 2026

Condition: NEW- Functional?: Yes Missing Parts?: No ASIN: B0D9GZBWDW Color: White Square aluminum diffusers have been designed for use in high flow supply ventilation and air conditioning systems. The diffuser with integrated vanes is recommended for places where air supply is required in large amounts. If diffuser is installed with Plenum Box it minimize the noise level. Dimensions: Inner flange and grid 21.45" x 21.45" Inches; Outer frame: 23.42" x 23.42" Inches; Flange depth: 1.26" Inches; Grid cells: 0.5" x 0.5" Inches. Blades are set at a fixed vetical angle. Material: Made from Aluminum and White Powder Coat Finish RAL 9016. The diffuser is usable indoors and outdoors, including in commercial buildings, offices, retail spaces, and residential areas. Installation: The diffuser is designed for easy installation on square ducts, to Plenum (expansion) Boxes and as ductwork termination on suspended ceilings and require no additional bracing of suspended ceiling panels. They are designed to operate efficiently under different conditions, maintaining a consistent performance in terms of noise levels and large amounts of air flow. These diffusers are designed for effortless installation, being both lightweight and not necessitating additional bracing for suspended ceiling panels. Perforated diffusers can handle a range of air volumes and pressures, making them adaptable to various system requirements.

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