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 | Cole-Parmer CVAM 流量计阀门墨盒Valve-cartridges |
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 | Cole-Parmer P02/6C 浮子流量计Cole-Parmer Flowmeter System, Single-tube Frames for One 65-mm flowtubeAluminum wetted parts |
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 | Cole-Parmer CO-5E 止回阀（手动）Cole-Parmer inert in-line outlet check valve; 0.014 Cv, PEEK/EPDM |
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 | Key Instruments Flowmeter Pocket Oxyg 8 Lpm PM8OXYKey Instruments Flowmeter Pocket Oxyg 8 Lpm PM8OXY |
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| | Key Instruments Flowmeter Pocket Air 8 Lpm PM8AIRKey Instruments Flowmeter Pocket Air 8 Lpm PM8AIR |
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| | Key Instruments Flowmeter Pocket Oxyg 2.5 Lpm PM2.5OXYKey Instruments Flowmeter Pocket Oxyg 2.5 Lpm PM2.5OXY |
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| | Key Instruments Flowmeter Pocket Oxyg 15 Lpm PM15OXYKey Instruments Flowmeter Pocket Oxyg 15 Lpm PM15OXY |
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| | Key Instruments Flowmeter Pocket Air 155 Lpm PM15AIRKey Instruments Flowmeter Pocket Air 155 Lpm PM15AIR |
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 | Imperial Stride Tool Straight Refrigeration Kwik Co 389-16-CImperial Stride Tool Straight Refrigeration Kwik Co 389-16-C |
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 | 美国GE GF868火炬气体质量超声波流量计美国GE GF868火炬气体质量超声波流量计 |
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 | 美国Alicat M-100SLPM-D 差压式流量计美国Alicat M-100SLPM-D 差压式流量计专门用于测量气体，量程：0.1 to 100 ml/min |
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