... working fluid; premium and first-grade R290 can be used as a refrigerant to replace R22, R502, compatible with the original system and lubricatingoil, and used for central air conditioning, heat pump air conditioning, household air conditioning and other small refrigeration equipment . R290 is a hydrocarbon refrigerant; it has no damage to the ozone layer and has a very small greenhouse effect.
Weight:56 kg
Dimensions:122 × 121 × 451 cm...