Tamarack 12" X 12" RAPR Wall Return Air Pathway for Existing Construction

The Return Air Pathway Retro-fit (RAPR) allows the movement of air from one room to the next, equalizing pressure in the home while dampening sound and light transmission. The RAPR is designed for easy installation in existing walls. Features: Economical Easy Installation Innovative Design No Mechanical Parts Made in the USA Dampens Light and Sound Compliant with National and State Building codes Includes 2-white interior grilles, 1-interior baffle and a 2-piece galvanized frame.