BL520DD Blast Resistant Louver
The BL520DD "Blast Resistant" Louver is a Stationary Wind Driven Rain Louver 5" deep with horizontal sightproof blades.
- Independent 3rd Party Tested
- Peak Pressure of 16.6 psi and an Impulse of 84 psi-ms Tested
- ASTM "No Hazard" Hazard Rating
- Meets GSA Performance Condition 2 or Better
- Sight Proof Horizontal Aluminum Blade Construction
- Excellent Pressure Drop Rating