MSSL - Medium Security Straight Louvered Grille
MSSLOverview
Louvered security grilles features all-welded construction with a heavy-gauge wire screen fixed behind the louver blades for additional security.
Typical Applications
Security grilles reduce unwanted access to ductwork in spaces where supervision is minimal and vandalism or misuse is a risk. Such areas include: correctional facilities, psychiatric hospitals, rest stops, park facilities, schools, and sports venues. Price louvered security grilles feature all-welded construction and integral wall sleeves, ideal for medium security sidewall applications.
Construction Options
- Material
- Steel
- Aluminum (minimum security)
- 304 stainless steel
- Size
- Minimum: 6 in. x 6 in.
- Maximum: 30 in. x 30 in.
- Options
- Dampers
- Barrier bars
- Transfer grille construction (TGCS)









