Two Rows of Inverted Split “Y” Blades Louver with Two-Piece Thru-Bolt Design for Wood or Metal Doors

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

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.

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

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

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

Manually-Operated Adjustable Louver for Doors, Transoms and Partitions

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

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

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