Acquired another set and didn't even use these yet:
HI702 Copper High Range Checker BNIB - $55
HI774 Ultra Low Range Phosphate Checker BNIB - $55
Both together - $100
Willing to ship at buyers expense
HI702 Copper High Range Checker BNIB - $55
HI774 Ultra Low Range Phosphate Checker BNIB - $55
Both together - $100
Willing to ship at buyers expense