The Berkey Earth® Ceramic Filter Rubber Washer is the essential sealing component that comes standard with every Berkey Earth ceramic filter element

Waterproof IP67

the meter can be quickly calibrated to a higher accuracy compared with one or two point calibration

And it takes up HARDLY ANY SPACE

and subsequently 8 mL of deionized water to one and 8 mL of sample in the other

Go Berkey® Kit waterproof pH tester The Berkey Earth® Ceramic FilterProduct Description The lightweight, compact and easily transportable Go Berkey Kit is designed for use while on the go. Constructed of highly polished AISI 304 stainless steel Storage capacity of about 1 quart (. 95 liters) Upper chamber nests within lower chamber for transport and stands only 10" in height Maximum Filters: One Black Berkey Element (upper chamber) Kit includes: upper and lower stainless steel chambers, 1 Black Berkey Element, 1