Plastic Made in USA HVAC Commercial 1-Way 4 ft. Linear Diffuser Cover Attaches magnetically, no tools required Attaches to the 1" grid system or directly to the Linear Diffuser Re-direct airflow away from employee workstations Fits sizes from 2 3/4" wide up to and including 4 3/4" wide Improve comfort

Elima-Draft Commercial 1-Way 4 ft. Linear Diffuser Cover