This
is the ,ost compact of themodels previously illustrated.
The reduced height dimension facilitates inserting the
MIDI into small spaces, anyway permitting high operating
autonomy (3-4 months for an average family each recharge).All
the construction characteristics are the same as for the
DP5 and DP302 metering devices. Two single doses of polyphosphate,
enough for two recharges are supplied in the original
pack. to obtain a homegenous mix of the product, we also
supply the recharges of Clorsan sterilised water