ESJ-401

Model ESJ-401 is an extruded aluminum stationary non-drainable louver that protects air intake and exhaust openings in exterior walls. The design incorporates J-style blades, sloped sill and a hidden vertical mullions when configured as multiple sections wide.

4-inch depth
53% free area (4 ft. x 4 ft.)
691 fpm free area velocity at the beginning point of water penetration

Non-Drainable Blade Louvers

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NEW Louver Finishes & Colors Catalog

Check out our newly updated Louver Finishes and Colors brochure including a revamped color chart.

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Always Make the Correct Selection

Never guess which louver is best for the application. The Greenheck louver product selection guide makes the selection process easy. This tool provides all the information you need including product information for each model, submittals, access to eCAPS®, literature and more.

Certifications:

AMCA 500-L Water Penetration and Air Performance

Purchase Options:

REQUEST A QUOTE

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Configure to Order

Need a specific configuration? Submit a request online and get a quote from your local representative within 4 hours.

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