Steel Single Deflection Return Grille with ¾” blade spacing, 35° fixed deflection, Blades parallel to the long dimension

3/8" 45° Eyelet End Fixing Size: No. 2 Cable Length: 10FT

The FSDR-512 is a round combination fire smoke damper with round blades. This model installs in walls, floors, and partitions and is rated for airflow and leakage in either direction.