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Apera Instruments(3)
Apera Instruments, LLC-AI1104 16oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 3M KCL Storage Solution and CalBox 
$92.68
current price $92.68Apera Instruments
Apera Instruments, LLC-AI1104 16oz. pH Calibration Buffer Solution Kit (pH 4.00, 7.00 & 10.01), plus 3M KCL Storage Solution and CalBoxAvailable for Pickup or Delivery in 3+ daysPickupDelivery in 3+ days
Apera Instruments AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder for Easy Calibration 
$73.93
current price $73.93Apera Instruments
Apera Instruments AI1114 pH Calibration Solution Kit (7.00, 4.00), 16 oz. for Each, Plus Apera CalPod Solution Holder for Easy CalibrationAvailable for Pickup or Delivery in 3+ daysPickupDelivery in 3+ days
8oz. pH Calibration Buffer Solution Kit (pH 4.00 & 7.00), plus 4oz. 3M KCL Storage Solution for pH/ORP Electrodes 
$62.18
current price $62.18Apera Instruments
8oz. pH Calibration Buffer Solution Kit (pH 4.00 & 7.00), plus 4oz. 3M KCL Storage Solution for pH/ORP ElectrodesAvailable for Pickup or Delivery in 3+ daysPickupDelivery in 3+ days