This is a hard one! How about the big logo across the chamber that says "Zoom"? Zoom glass, google it and you can see similar pieces being sold online.
Its mass-produced Asian glass (or maybe novice American) with a fake name decal thrown on it so it would fetch a better price.
Um...let's see...Its a steel bong... ....no no no...wait...its a wooden bong ...no that aint right either. Ok it's an acrylic bong. Damn that not it. A glass bong? Hey! it's a glass bong! I'm right!
Some people are just ignorant cock fucks that waste peoples time with lame ass remarks because they like different things opposed to others.