1.Cross flow paper core 2.Frame Angle:90 degress 3.Slice spacing:2.5 mm 4.Overlay height:420 mm 5.Section :163*163 mm OverviewAIR-ERV is ERC heat exchanger core,our ERC is made of flame retardant and antibacterial fibrous paper, which are high moisture permeability, anti-rends, anti-mildew; and ABS framework, it is strong, pro-environmentand long service time; the ERC are used for energy recovery ...