Hoefer offers the time-tested standard for quick binding, affinity and isotopic labeling studies—the FH 225 Ten-Place Filtration Manifold. Each position on the manifold provides secure, liquid-tight seals without the need for clamps or O-rings. Hoefer FH 225 Ten-Place Filtration Manifold has been specified and recommended by brand name by USA government regulatory agencies for the detection and enumeration of Giardia cysts and Cryptosporidium oocysts in ground, surface and finished waters by a fluorescent antibody procedure. Hoefer also offers a Single-Place Filter Holder. Please select an item from the list below for more details.    Filtration Units Products Single-place filter holder Please login to view prices 10-place filtration manifold Please login to view prices