Is this convex bend in my furnace filter slot OK?

731-20X24 - 24X10 CAD KIT 26GA SIDE LOAD 32 IN DUCT WPASS THROUGH FILTER SLOT WITH CANVAS CONNECTOR 731-20X24

filter slot coverseal you could have a major problem impacting the air quality in your home I

return of the dead slot Enhance air circulation in your HVAC system with our return air boxes, designed for efficient air return and filtration

return of kong slot I'm in the process of getting a new furnace and one contractor suggested moving the filter media slot higher up in the 10x24 return air