Model 81-4 features a round cut-out and accepts 4" loudspeaker baffle Models 51-4 and 60-4. Construction is 24-gauge CRS with an electrogalvanized rust-resistant finish.
Features a round cut-out and accepts 4" loudspeaker baffle Models
Load-Bearing Bridges Eliminate Ceiling Tile Sag by Distributing Assembly Weight to Ceiling's Support System
Rust-Resistant 24-Gauge Electrogalvanized Steel Construction Ensures Long Service Life