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Here are some pics of the Nytro vents we offer. All of our vents are made of a very durable abs plastic. We cut and predrill all our frames with a CnC for the same exact fit eveytime. You have the option of choosing one of our 7 different colors of mesh and you can add a layer of prefilter to any vent we offer. We also supply you with a paper template, black aluminum rivets, and detailed instructions for an easy installation. For more details and pricing Check out our website http://moflowvents.com