Return Air Box / Register Boot 20" x 20" R6
This register box varies in depth 5"- 9.50" Deep O.D. To Flange. CALL US if Depth is a concern

This register box varies in depth 5"- 9.50" Deep O.D. To Flange. CALL US if Depth is a concern

Features
Durable metal construction insulated with a fiberglass back for a choice of collar sizes