Root exudates suction filter device

The utility model discloses a root exudates suction filter device, the device is including the extract container that is used for holding the root exudates extract, the reassembling type cartridge filter, holding vessel and vacuum pump, wherein, the reassembling type cartridge filter is by the upper cover, lower cover and at the upper cover, a plurality of filter unit between the lower cover constitute, connect through the connector between two liang of filter unit, be provided with protruding edge in the annular on every filter unit inner wall, the filter layer dress is protruding in inboardin the annular, thereby constitute the filtration of a reassembling type, every filter unit if clear up after can pulling down when stopping up, if the clearance still can not solve the problem changefilter unit can, need not overall change, still can carry out arbitrary filter unit's combination as required in addition to extract to the difference filters, easy production, easy operation, and the filter effect is good, u