Labquip-Online are able to offer a range of liquid distilling and reflux Condenser with standard interchangerble joints ranging from 10/19 all the way up to the 55/50
Liebig Condenser With Glass Hose Connection Sizes From Effective Length. (Between Hoses Barbs).
Condenser Coil Graham:length range from 160-250-400mm.
Effectively between hose connections , available with plastic screw connectors