APTL Perforated Diffuser Return Panel, Aluminum
Perforated Diffusers
It is best suited for open-air return applications, where ducts are not required. Model APTL features a perforated face that provides a free area of at least 51%. The face has 3/16" diameter holes on 1/4" staggered centers.
- The aluminum construction ensures the durability of the product
- Recommended for T-bar ceiling systems
- Performance tested in accordance with ANSI/ASHRAE Standard 70-1991 at isothermal conditions
