Is this convex bend in my furnace filter slot OK?

filter is part of the optical system If an 85 filter is needed , a clear slot , like the Panavision Panaflex series of cameras , there are 's

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

filter slot cover Buy BOOSTY 52mm Color Filter Set Lens Accessory Filter Kit Blue Yellow Orange Red Green + Lens Cap + 6 slot Case for Nikon D7100 D7000 D5200 D5100 D3200

piggy slot machine game 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