*LAQUAtwin 4M kit: NA11, K11, NO311, CA11

*LAQUAtwin 4M kit: NA11, K11, NO311, CA11

The four most commonly used LAQUAtwin ion Testers (Na+, K+, NO3-, Ca2+) supplied in a handy carry-case with calibration solutions for K+, Na+, Ca+ and NO3+ (2 x 14ml each), 2 pipettes, 8 CR2032 batteries and instruction manual

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