Hello everyone! I was wondering if anyone could help me out identifying this mystery hose/tube I found on the floor of my passenger seat. Idk if it came off somewhere specific. I will attach a picture of the said tube/hose.

The car car is a Mazda Protege 2002 XL

thank you in advance.

Found this tube like that on the passenger side of my Mazda Protege 2002 XL. I don’t know where it came from, or even if it’s from my car. Any idea where this tube is from? Could it have fallen off from under neath the glove compartment? Any tips will be welcomed. Thank you in advance!

 

Its off the heater system. Could be a drain for the heater fan or A/C unit. Its been too long since I worked on one of these.