Part                  #2F70              Freezing Point Hydrometer for Propylene
                                                Glycol               +32° F. to –46° F.

Model               #2201              Syringe Set with Above Hydrometer

Model               #2202              Syringe Set with Above hydrometer
                                                with a Set of Hanger Brackets

Part                  #2F80              0.800 to 1.000 Light SP. GR. Hydrometer

Model               #2311              Syringe Set with Above Hydrometer

Model               #2312              Syringe Set with Above Hydrometer
                                                with a Set of Hanger Brackets