basically all of them chatter around. they sit on a 2nd "base" where ash falls in at the hole. they all have the same basic base which is like
there is a clear base and a green one.
not everything listed in there actually what he has for sale. look in the stem section of PYH for the rest of the stems he has and even then not all of them are there.
really if you want to know all he stocks the best way is to call him and have him look around back there because there is A LOT. there are even small hookah's in there like no more than 12 inches tall he does not have listed.
i say go with a pear and ask him what colors he has available because there are more than he has listed. i bought a blue pear and its not up on the site.