the Sport Berkey uses a proprietary filtration element developed through extensive laboratory testing and field research

Complete Calibration Kit:

more accurate results

5V batteries (included LR44 button cell type batteries)

or other interfering substances that can poison single-junction probes

Aquamira SHIFT 24 oz Insulated Filter Bottle – Black | Series IV BLU Line Filter | Hot & Cold polarographic probe the Sport Berkey uses aAquamira SHIFT 24 oz Insulated Filter Bottle Black Its time to shift from drinking unhealthy water. The Aquamira SHIFT 24oz in Black combines sleek, bold styling with stainless steel vacuum insulation and built in chemical filtration keeping your water hot or cold while protecting you from the contaminants that affect taste and health. Why Youll Love It 24oz capacity the perfect everyday carry size for home, office, and gym Copper electro plated SS