Glass apparatus Kjeldahl compound: a Kjeldhal boiling flask 24/29 screwsocket a multiple adapter 24/29 screwsocket a funnel with stopcock 24/29 screwsocket a bosshead adapter 24/29 screwsocket a condenser Liebig 200mm 24/29 screwsocket with connexion GL14with plastic connector 4 caps and seals 24/29 screwsocket