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Filter Products

Focus on products that meet your requirements.

Search our catalog by product type, construction properties, certifications, or performance metrics. Find products that work for your upcoming project.

Compare Products

Make decisions faster with our compare feature.

Check the “Compare” checkbox on products you want to compare, then click "Compare Selected". Choose from several comparison views: Quick Specs for a sampling of important stats, General Info, Performance Specifications, Construction Properties, Certifications, and available Finishes. You can also highlight the differences between options with “Highlight Differences”.

3D Viewer

Want a closer look at our blade profiles?

Click the new “3D Product Viewer” on the product page. Rotate and zoom in on important details. The viewer will automatically apply cross-sections, so you can see the blade profile in detail. Then, apply one of our standard finishes.


Found the right product? Share it with your team.

Click the “Share” button at any time. This will copy a special URL that you can paste into chat clients or emails.


Save your best products for easy access.

Click the bookmark found on any product listing or product page. This will save your favorite models in your personal collection. Browse your favorites from the dropdown menu at the top: Products > Favorites.


Ready to learn about louvers and dampers?

Our online learning resources include training courses for installing, operating, and maintaining louvers and dampers, as well as continuing education courses. All of our resources are available as self-paced courses. Take them on your schedule. Learn more about stationary louvers, adjustable louvers, control dampers, and UL life safety dampers with MCDLG.