Adapters for filter crucibles, borosilicate glass 3.3
Borosilicate glass 3.3, autoclavable.
Adapters for filter crucibles, Duran®
Glass Type I / neutral glass as per USP, EP and JP. Autoclavable.
Bottle Top Filters Nalgene™, PSU, without membrane
Non-toxic. Robust body. Suitable for pressure filtration up to 600 mbar and vacuum filtration. With seal, cap and tubing adapter. Autoclavable.
Buchner funnel, borosilicate glass 3.3
Buchner Funnel (with slit sieve disc) for Membranes or Paper FiltersChemical and high temperature change resistanceWith a sintered VitraPOR® glass filter discThe glass filter disc, it is fitted with a glass disc with approx. 1,8 mm wide slitsEasy filtrate removal and cleaning
Buchner funnels, PTFE
Chemically resistant and temperature resistant from -200 to 250 °C. FDA conform. Autoclavable.
Discs for filter funnels, Buchner, HDPE
Useful interface layer between filter paper and perforated Buchner plate. Avoids clogging of filter holes.
Disposable filtration capsules, Carbon cap 75
For use in pressure lines or vacuum pump exhausts. High-purity polypropylene housing with nozzle for connection to 12mm i.d. tubing. Contains highly pure activated charcoal granules and a folded HEPA filter at the base of the unit that retains 99.97% of all particles <0.3µm.
Disposable Filtration Capsules, Hepa-Cap
Laminated hydrophobic glass microfibre filter. Ideal for the sterilisation of large volumes of air at low pressure. Available in two sizes, depending on the volume of air or gas to be filtered. Non-sterile, separately available. Autoclavable.Maximum operating pressure 4.1 barWide range of chemical compatibilityHigh loading capacity and high through-put filtration media99.97% of particles of 0.3µm or larger are retainedAutoclavable at up to 132 °C for one hourConnectors: stepped barb (SB) and female national pipe thread (FNPT)
Disposable Filtration Capsules, Polycap AS™
Used for large volumes of aqueous samples. Presterilized. Contains a nylon membrane which is inherently hydrophilic, has low extractables, is bio-safe and has excellent flow rates. A glass microfibre prefilter ensures a long working life for the main filter and allows the easy filtration of large volumes and difficult samples.Connectors: stepped barb (SB) and female national pipe thread (FNPT)Filter: GMF/Nylon
Disposable Filtration Capsules, Polycap HD™, PP
PP monofilament depth filters for use as prefilters or for the filtration of samples in water or organic solvents. The high loading capacity allows the purification of solutions with a high particle load.Choice of filtration areas and porositiesMaximum operating pressure 4.1 bar forward, 3.0 bar reverseCapsules may be used in either directionLow hold-up volume with air purgeAutoclavableOperating temperature max. 60 °CConnectors: stepped barb (SB), hose barb (HB) and female national pipe thread (FNPT)Filter PP
Disposable Filtration Capsules, Polycap TF™
Hydrophobic PTFE membrane for applications involving organic solvents and chemically aggressive solutions.Maximum operating pressure of 4.1 bar forward and 3.0 bar reverse1 µm capsules incorporate a PP prefilterAutoclavable up to 132 °C maximumConnectors: stepped barb (SB) and female national pipe thread (FNPT)
Disposable filtration capsules, VacuGuard™ 150, Activated carbon
Mounted in a robust PP housing. All have a low hold-up volume. Dimensions: (diameter x length) 53 x 46mm. Connections: For 6mm to 10mm diameter bore tubing. Also accept male luer slip.Hydrophobic PTFE membrane and choice of chemical trap:Activated carbon with 82000m2 filtration area removes organic vapours and radioactive particles99.99% of particulates 0.1µm or larger are retainedMaximum operating pressure 1 bar (wet gas) / 4.2 bar (dry gas)For vacuum pump protection from corrosive vapours and contaminants. With end connectors for 12mm bore tubing. Supplied singly.
Disposable filtration capsules, VacuGuard™ 150, Desiccant
Mounted in a robust PP housing. All have a low hold-up volume. Dimensions: (diameter x length) 53 x 46mm. Connections: For 6mm to 10mm diameter bore tubing. Also accept male luer slip.Hydrophobic PTFE membrane and choice of chemical trap:Desiccant removes water from acidic air streams99.99% of particulates 0.1µm or larger are retainedMaximum operating pressure 1 bar (wet gas) / 4.2 bar (dry gas)For vacuum pump protection from corrosive vapours and contaminants. With end connectors for 12mm bore tubing. Supplied singly.
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