This research has the objective to create and find performance filters, high pressure refrigerant. Population and sample filtration devices are high pressure refrigerant. Tue, langsuan Chumphon 20 people by selecting a specific Tools used in research experiments, recording devices, performance filter, high pressure refrigerant. The statistics used in this research is the standard deviation of the size of the device filter, high pressure refrigerant. The findings are as follows: the filter, high pressure refrigerant designed by the leading principle of the gas and liquid separation of ownership of Grotto that is oil and when a trial performance found that coolant filters with high efficiency. The refrigerant can be recycled, renewable, representing 100.
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