Anti-Freeze Tester

The E-Z Red anti-freeze hydrometer is made to stand up to tough treatment in service stations and garages. It's designed so that both customer and technician can see the state of the anti-freeze. This coolant tester is economical; your first cost is your only cost. There is no need for replacement parts, and it has rugged construction and unbeatable quality. There is no difficult float reading to be observed and no temperature tables required.