Now would you want to use that? What is that lovely device you ask? Well, it’s really simple really, it’s a Toilet snorkel. What is a Toilet Snorkel you ask, well, thats simple too. It is a breathing apparatus that allows one to breathe fresh air during a fire in an apartment building. I’m sorry, but, somehow, i think most people would rather die then breath in sewer fumes. Actually, you probably could die from those too
Here’s the Google Patent Search on it.