CO2 Detector Tubes (10 tests)
CO2 Detector Tubes (10 tests) at HorticultureSource.com -
Product 702305 includes: 1 - 100cc syringe, 2 - test tubes and instructions. Product 702300 has a range: 300 - 5000 ppm, Sample Volume: 100 ml, Sample Time: 2 min., Color: White to Purple. Box contains 10 tests.