Dear Friends:

I needs to buy a R412A gas refrigerant. I have a low temerature freezer (-80ēC), with two stages. A low compressor is dead, and i needs to change a compressor. But the big problem, is i cannot to found a R412 buyer!!!. Please, can you tell me where i can to buy it refrigerant or a replacement?. Which is the appropiate oil to use?. Thanks your very much, i needs this information urgently. I apologize my english please.