Quick Freeze, 10oz Can (Env. Safe) 10 oz, Each

Details:

A high purity 1, 1, 1, 2 - tetrafluoroethane (r134a) that you can rely on to solidify paraffin sections of fresh tissue without disrupting cellular structure. A short spray burst will instantly freeze small area to -45 degree c/-5 degree f. Environmentally safe and non-flammable.