How Effective is Blocking Side Gaps in Vent Filter Systems?

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Blocking the side gaps in a ventilation system's filter brackets can help ensure that all air passes through the filters, which is beneficial for efficiency. However, it's crucial to consider the potential for increased stress on the filter supports due to water pressure, especially since the design involves a flat plate with minimal support. While airflow may not be impeded, careful analysis of the stresses involved is necessary to avoid structural issues. The design should balance effective filtration with the mechanical integrity of the system. Overall, while the idea has merit, thorough evaluation of the stresses is essential for optimal performance.
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I am designing these brackets on a ventilation system to hold filters that my company stocks regularly. The vent is about 49.5"x49.5" and the filters are about 23.5"x23.5". Placing 4 filters in this square vent leaves about 1.25" on each side. I have designed the brackets so that they block the extra 1.25" so that all the air travels through the filters. Is this a good idea or is it going to mess up the vent system? I wouldn't think that it would, just checking.
 
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The flow won't be impeeded but you should check stresses carefully. It might not seem like a big issue, but having a few inches of water pressure on one side of what amounts to a flat plate with very little support could produce significant stresses in the filter supports.
 

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