OPW 1600 Series Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices.
OPW 1600系列可视流量指示器有优质的材料制造，经过安全测试，以经济的价格保证长期可靠地服务。
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The 1600AN Series Adaptor is specifically designed to mate with OPW Kamvalok- Couplings to help prevent liquid spillage during the connection/disconnection process.