2-1/4″ x 12″ x 5″ 90 Degree Perimeter Register Boot

The Lukjan RB302125 Perimeter Register Boot from Series P13 delivers efficient 90-degree airflow transitions for HVAC duct systems.

This boot is designed to transition a 5-inch round duct into a 2-1/4 inch wide perimeter register opening. Its 12-inch boot length ensures proper fit and alignment while precision-formed construction supports consistent airflow performance in residential and light commercial applications.

• Model RB302125 belongs to the Series P13, engineered for perimeter register duct transitions.
• 90-degree design efficiently redirects airflow from round ducts to perimeter registers.
• Durable construction ensures long service life and system reliability.

Technical Data & Performance

• Round inlet size: 5 inch diameter.
• Boot length: 12 inches.
• Outlet width: 2-1/4 inches.
• Shape transition: Round to rectangular for perimeter register applications.
• Application: HVAC duct transitions in residential and light commercial systems.