I live in an apartment that came with a very old air conditioner. When I opened the front panel I discovered that there is a blackish gray brittle material used as installation around the inside edge. I don't know how old it is, but it reminds me of asbestos. I don't know what asbestos looks like exactly, so I was wondering if anyone knows if this is what it is or if it is just some other harmless material. I don't trust the apartment manager to have followed the proper safety regulations and removed asbestos from the property. Give me a shout if you know the answer.