Volume：16.8～25±0.2ml
Cylinder diameter : Ø56.5～Ø65.5
Series products： CG150 ordinary/environmental protection，CG150 Electronic control，CG175 ordinary/environmental protection
CG200 Electronic control，CG200 ordinary/environmental protection，CG200-A，
CG250 ordinary/environmental protection (match CG200 Valve)