MSBL - Medium Security Bent Louvered Grille

MSBL - Medium Security Bent Louvered Grille

The MSBL - Medium Security Bent Louvered Grille is a robust and reliable solution for HVAC applications requiring an added layer of security. This grille features an all-welded construction with a heavy-gauge wire screen securely positioned behind the louvered blades. This design effectively deters unauthorized access to ductwork, making it ideal for environments where vandalism or misuse is a concern.

MSBL grilles are commonly employed in a variety of settings where medium security is paramount. These include correctional facilities, psychiatric hospitals, public restrooms, parks, schools, and sports venues. Their sturdy construction and integral wall sleeves make them well-suited for sidewall installations. Available in steel, aluminum (for minimum security applications), and 304 stainless steel, the MSBL grille offers customization options such as dampers, barrier bars, and transfer grille construction. Standard sizes range from a minimum of 6 inches by 6 inches up to a maximum of 30 inches by 30 inches.