6 boxe of 50 (TOTAL 300 STRIPS) true metrix blood GLUCOSE test strips FAST FREE SHIPPING True Metrix Advanced technologies – the meter, a complex algorithm, chemistry and electrodes on the test strip – work together as part of the TRUE METRIX® system to produce accurate results. Advanced Features Safe, High Quality Test Strips: TRUE METRIX Self-Monitoring Blood Glucose Testing Strips are manufactured by Trividia Health, Inc. in Fort Lauderdale, Florida, United States. Compatible With TRUE METRIX Meters: The TRUE METRIX Test Strips are made specifically for use with the TRUE METRIX Glucose Meter, TRUE METRIX AIR Glucose Meter, and TRUE METRIX GO Glucose Meter.