Unmatched Security and Strength

The GSG-P is designed for locations demanding maximum security and durability. Featuring an all-welded, heavy-gauge perforated steel face, this grille ensures superior protection against tampering, disassembly, and damage—situations where conventional grilles frequently fail.

Optimized Airflow Efficiency

The perforated-face design not only adds to its robustness but also delivers exceptional performance in maintaining airflow efficiency. The open perforation pattern ensures a high free area and low pressure drop, making it ideal for both supply and return ventilation systems.

Built to Handle Tough Environments

From secure spaces to unsupervised areas, the GSG-P excels in challenging conditions. Its integral welded wall sleeve adds another layer of security, making it a dependable choice for rigorous applications that require resilience and functionality in equal measure.

ALL-WELDED CONSTRUCTION
Single-piece welded steel with no removable face fasteners.

INTEGRAL WALL SLEEVE
Moves fastening to the protected side of the wall.

HIGH FREE AREA
Open perforation keeps pressure drop low, supply and return.

MAXIMUM SECURITY
Heavy-gauge face resists vandalism, misuse and access.

T Y P I C A L A P P L I C AT I O N S
Security grilles reduce unwanted access to ductwork where supervision is minimal and vandalism or misuse is a risk — correctional
facilities, psychiatric & secure hospitals, rest stops, park facilities, schools, and sports & public venues.