R411A Refrigerant ReplacementR22Used for central air conditioning units, window air conditioners, split air conditioners, cabinet air conditioners, and can be directly injected into original use.R12、R22、R134a、R500、R502The refrigerant unit does not need to replace any parts or refrigerant oil. Compared with refrigerants such as R12, R22, and R134a, it can save energy by 15-25%.
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