![It's a piece of thin cardboard, but I don't understand why it's inside this Kenmore 790.80333310 microwave oven. Any guesses what function it serves? : r/whatisthisthing It's a piece of thin cardboard, but I don't understand why it's inside this Kenmore 790.80333310 microwave oven. Any guesses what function it serves? : r/whatisthisthing](https://i.redd.it/pygkzngisut01.jpg)
It's a piece of thin cardboard, but I don't understand why it's inside this Kenmore 790.80333310 microwave oven. Any guesses what function it serves? : r/whatisthisthing
![3d Cardboard Microwave Oven Box. Eco Friendly Carton Package. Vector Illustration Isolated On White Background. Perspective View Stock Vector | Adobe Stock 3d Cardboard Microwave Oven Box. Eco Friendly Carton Package. Vector Illustration Isolated On White Background. Perspective View Stock Vector | Adobe Stock](https://as2.ftcdn.net/v2/jpg/05/15/01/85/1000_F_515018541_pxlTQBzi0zHOqU8wlMXycJ3SuvyZoJq3.jpg)
3d Cardboard Microwave Oven Box. Eco Friendly Carton Package. Vector Illustration Isolated On White Background. Perspective View Stock Vector | Adobe Stock
![A piece of cardboard from inside the Whirlpool microwave started going off, anyone know what this piece is? : r/whatisthisthing A piece of cardboard from inside the Whirlpool microwave started going off, anyone know what this piece is? : r/whatisthisthing](https://external-preview.redd.it/j5SiVTAcz8prAhOmXM7Cpvc07s3iUrJoTdTCPbHbxgU.jpg?auto=webp&s=84c09c2ecf4c575a5c1f2bf2c564f09dfa78eb33)