Spray freeze (DG)

Replacement for Freon 12 for many purposes. For snap-freezing of biological specimens; this is the preferred freezing agent for specimens prior to cryostat sectioning. Hold the can upright for freezing spray. For removing dust from films and specimens, or cleaning lenses, magnetic tape/disc heads or precision instruments, use inverted. Aerosols cannot be shipped overseas, including to N.Z. 200g/can