
Glass microfibre filters, grade GF/F, sheets
Glass microfibre filters have a fast filtration and a high loading capacity and particle retention rate. Manufactured without chemical binder from high grade borosilicate glass. (Exception: GF6, GF9). They are suitable for gravity or low suction filtration. Filtration speeds generally very much higher than conventional cellulose papers. Efficient retention of micron size particles. Must be used flat. Ideal for use in flat perforated plate Buchner type funnels (not sintered glass models). Can be used up to 500 °C.This ultra-fine filter has a 98 % retention efficiency for particles as small as 0.7 µm in liquids. Particle retention to 0.7 µm.

Glass microfibre filters, MG 160 / MGA / MGG
Suitable for analytical and gravimetric analyses, as well as a pre-filter.HydrophilicAir / Gas FiltrationLiquid FiltrationNon-sterile


Glass microfibre filters, MGB / MGC / MGD / MGF
Suitable for analytical and gravimetric analyses, as well as a pre-filter.HydrophilicLiquid FiltrationNon-sterile

Glass units for vacuum filtration, PTFE-coated
Type 163. For particle testing or radiochemical work. For ultrafiltration and sterile filtration. Autoclavable. PTFE-coated, steel screen filter support.

Glass vacuum filter holders, glass frit
Compact, glass vacuum filter holders for simple particle testing and clarification of solutions. With glass frit membrane filter support and anodised aluminium clamp.Scope of delivery:Size 25 mm, 30 ml: Glass vacuum filtration unit with filter support consisting of PTFE ring and glass fritSize 47/50 mm, 250 ml: Glass vacuum filtration unit with silicone cover and filter support consisting of PTFE ring and glass frit

Gooch crucibles, porcelain
Made from porcelain with perforated bottoms. They need filter paper for filtering process.

Guko set, EPDM
Consisting of 8 conical rubber seals in sizes 22 to 84 mm, made of ethylene-propylene-diene rubber, for filtering flasks. Autoclavable.

Gukos, EPDM
Conical rubber seals made of ethylene-propylene-diene rubber, for filtering flasks. Autoclavable.

In-Line Filter holder, PC
The filter holder made of PC is suitable for filtration of aqueous solutions. The bell-shaped base part protects the filtrate from contamination. Hose nipples can be replaced by Luer connectors to use as syringe filter holder.Suitable for Ø 50 mm filterConnection to peristaltic pump or pressure container possibleM 12x1 female threadMax. operating pressure 7 barAutoclavable

In-line filters Midisart® 2000
For sterile ventilation of fermenters, culture vessels, etc. or to act as a water barrier between the suction flask and the vacuum pump in filtration applications. The supported PTFE membrane within a PP housing gives excellent chemical resistance. Filter in either direction (3 bar max. pressure).Stepped horse-barb of 6-12 mm on either sidessterile single packed filters, autoclavable

In-line filters Midisart® 2000 with NPT 1/8" connection
For sterile ventilation of fermenters, culture vessels, etc. or to act as a water barrier between the suction flask and the vacuum pump in filtration applications. The supported PTFE membrane within a PP housing gives excellent chemical resistance.Filter in either direction (3 bar max. pressure).sterile single packed filters, autoclavable

In-Line-Filter, disposable, Polydisc TF™
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 membranePore sizes 0.1µm, 0.2µm, 0.45µm, 1.0µm1µm pore size unit has a PP prefilterAutoclavable at 131°C for 20 minutesMaximum operating pressure 4.0 barSuitable for chemically aggressive solutions, reagents and organic solvents. Ideal for protective venting, in-line filtration and isolation applications. Non-sterile.

Inorganic membrane syringe filters, Anotop®
The Anopore® inorganic membrane consists of high-purity aluminium oxide and can be used for a wide range of applications. This unique material has a precise, non-deformable, honeycomb structure with a relatively consistent pore size that guarantees very efficient particle retention. In addition, the membrane has a low protein binding capacity, minimal autofluorescence, is non-toxic and supports cellular growth.Anotop® 10 Plus / 25 Plus contains a glass microfiber prefilterHousing: PPExtractable materials: lowInlet connection: Female luer lockOutlet connection: Male slip luer
Ion chromatography syringe filters Acrodisc™, Supor™ (PES)
Single-use syringe filters for the filtration of solvents and aqueous solutions for sample clean-up and preparation. These syringe filters are suitable for a wide range of applications, e.g. liquid chromatography, mass spectrometry, and ion chromatography. Filter housing made of PP. With female Luer-Lock inlet.Specially developed for ion chromatography applications. Hydrophilic Supor™ (PES) membrane is recommended for aqueous samples. Low protein binding.

Kieselguhr Filter Paper 287, round filters
Recommended for filtration of the finest semi-colloidal turbidities.For separation of very fine semi-colloidal turbidityClarification of extracts of soil suspensions, of milk serum, of starch solutions and sugar-containing solutions prior to polarimetry and refractometryFor retention of protein precipitates and slime particles from solutionsClarification of urine samples
Laboratory manifold
Laboratory manifold with modular design for microbiological analyses. Thanks to easily interchangeable slip fittings, the manifold can be easily adapted to the work processes. Two manifolds can be connected together using the separately available manifold coupler. The manifold is easy to clean and can be autoclaved.

Laboratory vacuum pump
Constant flow rates and a defined maximum vacuum guarantee consistent and reliable filtration.


LLG-Filter crucibles, porcelain
Glazed. With porous bottom. According to DIN 12909. Temperature resistant up to 900 °C.

LLG-Filter flasks with glass olive, borosilicate glass 3.3
Filter flask with lateral glass olive. With heavy wall for vacuum apllications.Erlenmeyer shapeWhite graduation and inscription
LLG-Filter paper, qualitative, folded filter, very fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 17 to 30 µm.

LLG-Filter paper, qualitative, sheets, medium fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 5 to 13 µm.for analytical works in laboratories
LLG-Filter papers, qualitative, circles, fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 12 to 15 µm.

LLG-Filter papers, qualitative, circles, medium fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 8 to 12 µm or 5 to 13 µm.

LLG-Filter papers, qualitative, circles, slow
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 2 to 4 µm.

LLG-Filter papers, qualitative, circles, very fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 15 to 20 µm.

LLG-Filter papers, qualitative, folded filters, medium fast
Made from 100 % cellulose. Filtration speed according to DIN 53137. Capacity of separation according to DIN 53135.Pore size 8 to 12 µm.For fast filtration with fine particles

LLG-Filtering apparatus, borosilicate glass
Universally applicable filtration unit made of high-quality borosilicate glass. Wide range of applications for filtration with filter paper or membrane filters (47 mm).Large funnel (300 ml) with scaleFilter flask 1 or 2 litres, with scaleSafe plastic oliveFilter plate with porosity 2Filter plates with porosity 1 or 3 optionally availableAll components available as spare partsScope of supply: Filter flask NS 45/40, funnel 300 ml, filter holder NS 45/40 with connector GL 14 and filter plate 47 mm (por. 2), clamp

LLG-Glass microfibre filters, filter circles
Glass microfibre filters have a fast filtration and a high loading capacity and particle retention rate. Manufactured from high grade borosilicate glass. They are suitable for gravity or low suction filtration. Filtration speeds generally very much higher than conventional cellulose papers. Efficient retention of micron size particles. Must be used flat. Ideal for use in flat perforated plate Buchner type funnels (not sintered glass models). Can be used up to 500 °C. Filtration velocity acc. to Herzberg.Wide range of applications including:Retention of fine analytical precipitatesRetention of biochemical gelatinous precipitatesWater/air pollution analysesAs prefilters for membranesScintillation countingRadioimmunoassay

LLG-Inline filters, PTFE
LLG-Inline filters with PP housing. The PTFE membrane is particularly suitable for filtration of aggressive chemicals, including acids and non-aqueous solutions. Also ideal for clarifying filtration of organic solutions, sterile filtration of gases, as well as sterile aeration and deaeration.Multiple autoclavable at 121 °C for 20 minutes at 2 bar, max. 3 cyclesHigh throughput with low pressure dropFor air and gases in both directions

LLG-Quantitative filter paper, circles, fast
Made from 100 % cellulose.Filtration speed according to DIN 53137.Capacity of separation according to DIN 53135.Pore size 20 to 25 µm.Most frequently used quantitative filterFor PbS, Ag2S, FeS, carbonatesAshless, equivalent white tape

LLG-Quantitative filter paper, circles, medium fast
Made from 100 % cellulose.Filtration speed according to DIN 53137.Capacity of separation according to DIN 53135.Pore size 5 to 8µm.For NH4MgPO4, CaC2O4, BaSO4Ashless, equivalent red tape

LLG-Quantitative filter paper, circles, slow
Made from 100 % cellulose.Filtration speed according to DIN 53137.Capacity of separation according to DIN 53135.Pore size 2 to 3 µm. For very fine precipitates and small particlesFor soil analysisFor BaSO4 (hot precipitate), PbSO4, Cu2O, ZnS, NiSAshless, equivalent blue tape

LLG-Quantitative filter paper, circles, very fast
Made from 100 % cellulose.Filtration speed according to DIN 53137.Capacity of separation according to DIN 53135.Pore size 15 to 20 µm.For coarse, high volume precipitatesFordeterminations according to the German Standard Methods for the examination of water, waste water and sludgeForFe(OH)2, Al(OH)3, NaSO4Ashless, equivalent black ribbon

LLG-Syringe filters CA, Cellulose acetate
LLG offers a line of syringe filters especially designed to provide efficient filtration of a broad variety of fluids, solvents, aqueous or inorganic solutions. Our syringe filters cover most applications in HPLC, pharmaceutical, environmental, biotechnology, as well as food and beverage testing laboratories.Housing injected in polypropylene and MABSSuperior pressure stability of the housingsSuitable for all syringes with Luer connectionHydrophilic membrane for filtration of aqueous solutions.This membrane features excellent shape stability in aqueous solutions and is characterised by a very low binding capacity for proteins (21 µg per 25 mm filter). Particularly suitable for biological macromolecules, water-soluble oligomers and polymers.Sterile products in individual hard blister packaging.For research and development only.