Pipette type, comprising a rubber squeeze bulb, glass float calibrated having colored zones for charged, partly charged.
Pipette type, comprising glass float calibrated having colored zones for charged, partly charged and uncharged conditions. Compressible bulb and rubber tube with fittings to glass body.
Pipette type, comprising glass float calibrated having colored zones for charged, partly charged and uncharged conditions. Compressible bulb and rubber tube with fittings to glass body.
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