The Incredibowl i420Andrew Tarantola4/20/12 4:20pmFiled to: lightning reviewThe stoner channelChillumMarijuanaIncredibowlM420I420TokingweedPotpipesSmoking1EditPromoteShare to KinjaToggle Conversation toolsGo to permalink The full i420 assembly with standard expansion chamber. The full i420 assembly with standard expansion chamber as seen from the side. The glass bowl sits below the rim of the aluminum collar. A close-up of the carb The bowl, carb and armor assembly easily separate from the expansion chamber. You can see the 13 carb ports ringing the downtube.