Door Louver with Fusible Link that is Listed by UL and WHI. Ideal for Use in Fire Doors with up to 1-1/2 Hour Rating for Security & Detention Applications.

Storm proof Aluminum "Z" Blades Incorporate a Water Baffle, Suitable for Exterior Applications Where Weather Protection is Required. Available with Insect or Bird Screen.

Two Rows of Inverted Split "Y" Blades Louver with Two-Piece Design for Wood or Metal DoorsTwo Rows of Inverted Split

Galvanized "Z" Blades Louver with Bird Screen For Exterior Applications. No Mounting Holes Needed in the Door.

Inverted Self-Attaching,"V" Blades With 60% Free Area Recommended for Buildings Where All-Aluminum Construction is Desired, or for Humid Environments

Features 12 Gauge Security Grille with Two-Piece Thru-bolt Louver Design. Recommended for Vandal-Proof Building Design.

Lightproof Overlapping Channel Blade Door Louver for Darkrooms, X-Ray Rooms, Media Rooms.

Two Rows of Inverted Split "Y" Blades in a 1-13/16" Frame for Flush Mounting in Hollow Metal Frames

Inverted "V" Blades with 60% Free Area - Recommended for Schools, Class "A" and Institutional Buildings

Twin "Z" Blades— Recommended for Applications Where Both Non-Vision and Adjustable Design is Required in a Tandem Unit

Standard "Z" Blades Recommended for Schools, Class "A" and Institutional Buildings.

Manually-Operated Adjustable Louver for Doors, Transoms and Partitions

Inverted "Y" Blades with Security Grille Meets up to 350 ft lb Impact Rating for Severe Windstorm Rating. Includes Weatherproof Electro-Galvanized Finish for Exterior Applications.

Adjustable Z-Blade Louver with Fusible Link is Ideal for Use in Fire Doors up to 1-1/2 Hour Rating. Ideal for Installation in Existing Door Cutouts.

Inverted "Y" Blades Recommended for Schools, Class "A" and Institutional Buildings with Non-Vision Construction and 4 Mounting Options