Ubbink Air Excellent DBOX Internal Air Restrictor Ring

The Ubbink Air Excellent DBOX Internal Air Restrictor Rings, installed in the distribution box, allows precise adjustment of the air flow rate for each duct, ensuring optimal ventilation performance. Each restrictor features twelve rings, with settings determined by the Aerflux configurator that indicates how many rings to remove. The rings are easily applied with simple pressure and can be quickly removed for cleaning or maintenance.

• Precise air flow control for each duct individually
• Easy, tool-free adjustment