Protection grid air conditioner

I made an insect protection grid to be put on the outside to prevent them from entering through the tube attached to the plexiglass.That way when my air conditioner is switched off I am sure that nothing gets into the exhaust pipe.The dimensions of the protection grid are made for the project listed below, which worked perfectlyhttps://www.printables.com/it/model/509337-150mm-klimaanlagen-adapter-fur-fenster-150mm-air-c