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Specifications 1.Type:NBR,IIR,FKM,ECO,EPR,TT-NBR (low temperature) 2.Size:0.4-100L 3.Brand:Hongda 4.Pressure:10,20,31.5Mpa Specifications 1.size:0.4L,0.6L,1L,1.6L,2.5L,....80L,100L 2. certificate...