FILTRATION
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Humboldt Mfg.* Aspirator Filter Pumps
$2.85Humboldt Aspirator Filter Pumps offer excellent performance for vacuum filtrations under both high and low water pressure conditions. The pumps feature a ball-type, positive-action valve in the suction tube which prevents water backflow if the pressure...141-66770$2.85 -
KNF Neuberger* Filtration Pumps
$613.00This inexpensive line of diaphragm vacuum pumps are designed by KNF to provide effective vacuum for a variety of filtration jobs including bottle top and manifold filtration, vacuum degassing and solid phase extraction. Maintenance-free, there is no pump...332-66250$613.00