Blast Louvers
Blast Louvers are intended to provide a level of blast protection for exterior wall openings.
BRFL-D-4
4" Deep Blast Resistant Louver
![4" Deep Blast Resistant Louver](https://unitedenertech.com/images/product-photos/_productThumb/BRFL-D-4.png)
Product Overview
Model BRFL-D-4 has been blast tested in accordance with ASTM F2927-12 to withstand a blast of up to 8.97 psi and an impulse of 40 psi-ms. The test yielded a damage rating of I (undamaged) with no breakage and minimal deflection (less than 1/8).