Micro Essential Lab AM-40 Hydrion Ammonia Meter Test Paper Roll, 0 to 100ppm Range, 15' Length
This Micro Essential Hydrion ammonia meter tester paper is packaged as a 15 foot roll in a pocket-sized plastic dispenser with a polypropylene case. It comes complete with a specially calibrated color chart. Per each; 10/Carton. Micro Essential Labs #: AM-40.