wpa

Can someone please tell me which models of Dynavap require a water pipe adapter to use with a bong and which do not? I'm a total newbie, never vaped, never even seen a vape, but need one ASAP (nausea from a medication) and have received conflicting answers to this question. I know the Dynavap...

Okay so I just broke my Air Stem, and while perusing the interwebs for an Air Water pipe adapter, I decided I kind of want the Lotus (primarily for water). Now im completely satisfied with my Air, but the price for two WPA stems would be almost half as much as the Lotus + WPA. I dont want to...