Disc-type tester with plastic body and rubber bulb.
Freeze protection level indicated by 6 x floating coloured discs.
Easy-to-read temperature table.
For determining levels of ethylene glycol anti-freeze.
Accurately measures level of frost protection.
Freeze protection level indicated by 6 x floating coloured discs.
Easy-to-read temperature table.
For determining levels of ethylene glycol anti-freeze.
Accurately measures level of frost protection.
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