Bluelab® pH Probe Inline 3/4in NPT Thread - Use with 1in Adapter

A replaceable double-junction pH probe for your Bluelab Guardian Monitor Connect Inline. Double-junction probe reduces reference contamination, extending longevity. Fully waterproof, fast sensor response ensures quick and easy accurate measurements and a 3 meter cable for measuring in hard to reach locations. Effective in solutions of 0.2 EC and above.