The prefilter is designed to trap matters in suspension.
This device is also known as clogging indicator. It is located at the output of a liquefier (all-water tank, septic tank or
decanter digester) and before an underground spreading system or a drained filter bed.
We recommend to use our pre filters following the cases below :
CHOICE OF THE PRE FILTER ACCORDING TO THE LIQUEFIER
DEC1050 - Liquefier 1000 to 1500 l
DEC2/0201 - Liquefier 2000 l
DEC1100 - Liquefier 3000 l
DEC2/0501 - Liquefier 4000 to 5000 l