
Disposable filtration discs, Polydisc AS™
Mounted in a robust PP housing. All have a low hold-up volume. Dimensions: (diameter x length) 53 x 46 mm. Connections: For 6 to 10 mm diameter bore tubing. Also accept male luer slip.0.2 and 0.45 µm membranes are polyethersulphone1 µm membrane is nylonMaximum operating pressure 4.1 barGlass microfibre prefilter with all pore sizesSupplied radiation sterilized with cap on outlet.Can be autoclaved once at 131°C for 20 min.

DURAN® Filtering Flask with Glass Hose Connection, Erlenmeyer shape
Due to the heavy wall thickness the apparatus is vacuum-tight.

Fibre Filters with inorganic binder
Recommended filters for environmental analysis and controlling both air and water pollution.Made of 100 % borosilicate glass fibres with bindersGlass fibre filters capture fine particles down to 1 µm from liquids, in air, gases and aerosols with even 0.3 to 0.5 µm being absorbedExtremely low content in alkali-earth metalsChemical stability: It keeps all its properties in contact with acid solutions (except hydrofluoric acid) and basic solutions at moderate concentrationsStabile at temperatures up to 500 °CGravimetrical analysis of organic and inorganic impurities in water and waste water according to DIN 38409 and EN 872 (suspended particles)Measurement of immission, measurement of dust in air and gases, monitoring of the efficiency of filtration and dedusting, monitoring the combustion air of power plants and of the steel and iron industryMeasurement of dust release in workplace and production processes and the purification of compartment airMeasurement of scintillationFiltration time acc. to Gurley

Filter aids
Cellulose materials used to coagulate precipitates and as a prefilter layer in funnels. Quantitative grade is used for filter aids except for ordinary clippings. Ashless.

Filter crucibles, DURAN®
With sintered glass filter disc at base, as outlined below.Glass Type I / neutral glass as per USP, EP and JP. Autoclavable.

Filter crucibles, VitraPOR®, borosilicate glass 3.3
For analytical filtration in laboratories.Resistant to acids, alkalis and solventsTemperature resistant up to 540 °CWith numbering

Filter discs, DURAN®
With glass rim. For use in dismountable filter holders. Patented design. Filter discs must always be screwed in between two FKM rubber seals. Without top manifold, PP outlet funnel or seals.
Filter discs, quartz glass
The surfaces of the filter plates are ground and have an exact thickness (± 0.2) as well as plane-parallel surfaces.BiplaneSurfaces plane, ground cylindricalFor temperatures up to more than 1000° C

Filter discs, VitraPOR®
Surfaces untreated, round centered. The faces of the filter discs are press moulded and may show thickness deviations. Further sizes and bi-plane ground are available online.

Filter flask DURAN®
Witt-pattern. Complete with interchangeable, flat-ground jointed, tube lid with cone, and plastic flexible tubing connection on one side. Vacuum resistant.

Filter flasks with glass-olive DURAN®
Bottle shape. Vacuum resistant. Not in accordance with the equipment and product safety regulation.ISO 6556USP StandardOlive diameter 11 mm

Filter flasks with side-arm socket, glass DURAN®
Bottle shape. Heavy wall, for vacuum use. With ground 17.5/26 socket for vacuum tubing with 15 mm to 18 mm external diameter. These filtering flasks fulfil the regulations of the "equipment and product safety regulations".

Filter flasks, bottle shape, DURAN®
DIN 12476. ISO 6556. With PBT tubing connection and silicone (VMQ) seal. Heavy wall for vacuum use. These filtering flasks fulfil the regulations of the equipment and product safety regulations.

Filter flasks, Erlenmeyer shape, borosilicate glass 3.3
According to ISO 6556 standards. The side arm is suitable to work with 6 mm to 10 mm hose diameters.

Filter flasks, Erlenmeyer shape, borosilicate glass 3.3, with PP olive
According to ISO 6556 standards. The side arm is suitable to work with 6 mm to 10 mm hose diameters. The Polypropylene side arm has a screw thread connector for easy and safe fitting of the tubing.

Filter flasks, Erlenmeyer shape, DURAN®
DIN 12476. ISO 6556. With PBT tubing connection and silicone (VMQ) seal. Heavy wall for vacuum use. These filtering flasks fulfil the regulations of the equipment and product safety regulations.

Filter flasks, glass DURAN®
DIN 12476. ISO 6556. Erlenmeyer shape. Heavy wall, for vacuum use. With ground 17.5/26 socket for vacuum tubing with 15mm to 18mm external diameter. These filtering flasks fulfil the regulations of the "equipment and product safety regulations".

Filter funnels VitraPOR®, Borosilicate glass 3.3
Borosilicate glass 3.3, with sintered disc filter as outlined below. Autoclavable.

Filter funnels VitraPOR®, conical, borosilicate glass 3.3
With sintered disc filter.

Filter funnels, borosilicate glass
Thick body with reinforced rim. Incl. an acid resistant sintered glass disc.


Filter funnels, glass DURAN®
Glass Type I / neutral glass as per USP, EP and JP. Autoclavable.

Filter funnels, glass DURAN®, conical
Conical. Glass Type I / neutral glass as per USP, EP and JP. Autoclavable.