discount 70% in 2018-10-18 to 2018-10-20
price: USD$ 6.30
freight :USD$7.00,(Postal parcel)
Minimum Order Quantity:2
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339 opening valve is special for R134
338 opening valve is used by R12R22R410R407R404R406R600 and so on
The universal opening valve is capable of opening all the supported refrigerants.