Is this convex bend in my furnace filter slot OK?

Furnace filter slot cover that is an easy fix to HVAC air leaks Here's the link to AllergyZone

Cover furnace filter slotdoor; Block allergens and other contaminants from Used to cover the gaps on furnace filter slots The magnetic strips help

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metal slot drain Items Mentioned in Video: Furnace Filter Slot Magnetic Cover: 2JQAtbU