discount 70% in 2018-09-26 to 2018-09-28
price: USD$ 14.00
freight :USD$7.00,(Postal parcel)
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All over Jiangsu, Zhejiang and ShanghaiOne hundred RMBFree shipping，Even in the rest of the region, even if one hundred is not mailed, because the weight is too large, but still can reduce postage charges. Also, please pay attention to what is ambiguous. Please ask questions actively. Don't make any questions with your questions.
Single H valve / air controlled reversing valve hasblackandgrayTwo kinds, different colors, function is the same.
The following is the detailed diagram of the air controlled reversing valveedgeIt's gray, and the bottom is blackIt's the same, it's just two different faces: