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The Ferret Leak Location System is for use in pipes with internal diameters from 10mm (3/8”) to 45mm (1 3/4”). There are five different size Ferret's for this range
of pipes. The table shows the dimensions of the Ferret's
and the recommended pipe diameters that they should
be used in.


ferret heads

When selecting the correct size Ferret
consider the following:


  • The less a Ferret is inflated the lower the chance of it bursting.
    Always use the biggest size possible.


  • Allow for liners/inserts in joints and fittings, which will have a
    smaller internal diameter than the pipe.

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