Apera Instruments AI801G Replacement pH Probe for GS1 pH Pen

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Apera Instruments AI801G Replacement pH Probe for GS1 pH Pen
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Condition: new
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Overview

Features:

  • Replacement probe for GroStar GS1 pH Pen Tester 
  • Built with lithium glass membrane and double-junction to ensure high accuracy and durability 
  • Also compatible with GS2 and GS4
⚠️ Attention CA Residents: Prop 65 Warning

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