E-Z Red Battery Professional Hydrometer with temperature compensation. It is super accurate, unbreakable, and easy to read.
If you are going to use a Battery Hydrometer, you must use an accurate one. The E-Z Red is a patented temperature compensating hydrometer. This hydrometer is used by battery manufactures worldwide. You can count on years of service from this quality unbreakable hydrometer.* Flat Rate shipping is for the lower 48 states only.