The MegaBowl is a single cooler unit that has two inlets and can handle waxes, flower, and vape pens.  The full kit includes (1) Ash Catcher, flower bowl, quartz banger with cap, vape pen adapter, mouthpiece, Tar Buster filter, and a bag of replacement charcoal.  To use the second side, remove the cap, install the provided glass adapted,r and add a second ash catcher (not included)