Is this convex bend in my furnace filter slot OK?

metal top already, causing the difficulty from being sagged? The filter is possible in this case Left side: air_ Right

FilterLOCK seals furnace and AC air filter slots up to 25-in Overlapping magnetic 2-piece design holds FilterLOCK securely in place on top or side of metal

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metal slot drain Magnetic Vent Cover for Ceiling, Register Covers for Home Floor, Wall, HVAC, RV, AC, Furnace Vents · 5 out of 5 stars