E4JS — 4" Standard Blade Louver
Our most-specified wall louver. The reliable baseline for ventilation and decorative work.
Overview
The E4JS is the base of our wall-louver line — a 4"-deep standard-blade louver that handles the bulk of decorative and ventilation work. Specifiers reach for it when there's no extreme weather requirement and they want a clean, conventional sight line.
Applications
- Decorative
- Air exhaust
- General ventilation
Performance testing
Performance values are measured at a test size of 48" × 48" in accordance with AMCA Standard 500-L, Laboratory Methods of Testing Air Louvers for Rating. Performance will vary slightly at other sizes and with optional features.
Learn how to interpret free area, water penetration, and pressure-drop values →
Get a quote for E4JS.
A live specialist will price your project — sizes, finishes, options, freight — and email a formal quote within one business day.