Membrane Filter Holder

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Membrane Filter Holder
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  • … Change filter without disconnecting tubing with Tefzel® ETFE clamp nut. Prefiltering reservoir creates fluid turbulence to slow membrane clogging. PFA support grid snaps out easily for cleaning. Ferruled nuts accept 1/4'' OD PTFE or PFA tubing. Order filter membranes separately.

  • Filter Holders

    Sartorius

    Accessories for Combisart and Microsart Combi.jet Vacuum Manifolds

  • For general purpose vacuum filtration Borosilicate glass funnel body and stem are attached securely by quick-action spring clamp of anodized aluminum Easily disassembled for loading, cleaning and autoclaving Include single-hole silicone rubber stopper

  • …range of chemical solvents and temperatures. Exterior locking ring design allows unit to be assembled quickly and efficiently without tearing the membrane or removing from lines. Body and support screen material is PP. Units come standard with silicone o-rings. Replacement parts and alternate…

  • …range of chemical solvents and temperatures. Exterior locking ring design allows unit to be assembled quickly and efficiently without tearing the membrane or removing from lines. Body and support screen material is PP; units come standard with silicone o-rings. Replacement parts and alternate…

  • GE Filter Holder

    GVS Filter Technology

    …of sample and the 47 mm filter can filter up to one liter depending on the viscosity of the sample. The polypropylene holder can withstand temperatures up to 121°C. The dual-support screen design allows for bidirectional sample flow. Three silicone O-rings help to prevent leaks with all membranes.

  • Vacuum-Type Glass Membrane Holder, glass reservoir, 47 mm, 300 ml volume, membrane filter accessories Vacuum-Type Glass Membrane Holder, glass reservoir, 47 mm, 300 ml volume, membrane filter accessories

  • Vacuum Filter Holder Set, 47mm

    United Scientific Supplies

    …for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and ground joint flask. Membrane filters are not included. Filter diameter…

  • Vacuum Filter Holder Set, 90mm

    United Scientific Supplies

    …for filtering aqeuous, organic, or corrosive liquids. It is also recommended for HPLC solvent filtration. Complete set includes a borosilicate glass funnel, anodized aluminum spring clamp, vacuum base with sintered disc, and ground joint flask. Membrane filters are not included. Filter diameter…

  • Reusable Filter Holders with Receiver

    Thermo Scientific Nalgene

    Polysulfone filter funnels For 47 mm diameter membrane filters Eliminates the need for a manifold and/or breakable glass vacuum flask Particularly useful for field work Receiver is graduated Non-sterile Autoclavable Two side-arms allow connection to vacuum line; also…

  • …Silicone cover, KS13 filter holder with injector needle, PTFE stopcock, and 1/4"ID silicone tubing(21"L). The anodized aluminum clamp secures the membrane between the funnel and sintered glass frit base. The No.8 silicone stopper mounts in a standard 1L vacuum filter flask or manifold cup.…

  • …support Borosilicate glass filter holder assemblies for the microanalysis of small volumes of liquids for biological or particulate contamination under vacuum. The holder utilizes a 25mm filter membrane. The anodized aluminum clamp secures the membrane between the funnel and base. While the…

  • …deposits. High strength and flexibility preserves membrane integrity Most membranes are inherently brittle and difficult to handle; some may be damaged as they are loaded into holders or during standard use. Whatman cellulose nitrate membrane filters are designed to tolerate rough handling. …

  • … Borosilicate glass filter holder assemblies for the microanalysis of liquids for biological or particulate contamination under vacuum. The 47mm holder is the standard size for microbiology and uses a 47mm filter membrane. The anodized aluminum clamp secures the membrane between the funnel and…

  • Filter holders designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. Designed for microfiltration and ultra cleaning of small volumes of liquids using positive pressure. All three holders will accommodate Nuclepore track-etched and cast membranes.

  • …(EHCN) Membranes feature a hydrophilic center area surrounded by a 6 mm hydrophobic edge which prevents seepage under the rim of the filter holder. The hydrophobic edge ensures complete removal of the drug during flushing so that growth of any microorganisms which have been retained on the membrane

  • filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask. Membrane filters are not included. Thick prefilters or laminated filters will not seal in this holder and it is not autoclavable with membrane filters installed. Unlaminated PTFE or PVDF membranes

  • filter support and No. 5 perforated silicone stopper for easy attachment to a vacuum filtering flask. Membrane filters are not included. Thick prefilters or laminated filters will not seal in this holder and it is not autoclavable with membrane filters installed. Unlaminated PTFE or PVDF membranes

  • 47mm filter diameter Available in type 304ss or 316ss Filter liquids or gases at point-of-use This 47mm in-line holder (model KS47) is available in both type 304 or 316 stainless steel. The PTFE coated support screen prevents sticking of the membrane during autoclaving. The…

  • Vacuum Filter Holder Set, Fritted Glass

    United Scientific Supplies

    …47mm sterile membrane filters. Also applicable for analysis of suspended solids in water using 47mm depth filters. Complete set includes a borosilicate glass funnel and base., anodized aluminum spring clamp, and perforated silicone stopper. Parts are available seperately. Filter Diameter: 47mm,…

  • Designed for bacteriological analysis where it is necessary to sterilize the filter holder with the membrane filter in place. The glass surface is coated with PTFE to avoid filter damage and membrane adhesion during autoclaving. Complete set includes a PTFE-faced borosilicate glass funnel and…

  • Polysulfone Bottle-Top Filter Holders

    Thermo Scientific Nalgene

    …filling and vacuum filtration without holding filter to bottle Major components molded of durable, break-resistant, transparent polysulfone (PSF), which is non-toxic, easy-to-clean and exhibits low protein-binding Removable sterilization membrane support plate provides maximum flow rate and…

  • …Polysulfone 47mm Filter Holders are an economical alternative to glass vacuum holders. The durable polysulfone plastic construction is chemically resistant and can withstand mishandling. The recessed polypropylene filter support provides sufficient clearance so the membrane will not tear when…

  • …Extremely high speed; ten times more rapid than the fastest comparable retention cellulose filter paper Withstands temperature to 500°C Designed as a membrane pre-filter, with sizes to fit most holders Used for sample collecting and testing in clinical screening; borosilicate glass…

  • …Parts are also available seperately. Filter Diameter: 47mm, Filtration area is 9.6cm². Capacity: Funnel: 300ml, Flask: 1L. Outlet fitting: 6mm (1/4") O.D. tubulated cap sidearm to vacuum. Prefilter Diameter: Thick Depth Prefilter: 35mm. Membrane Prefilter: 47mm. Dimensions: Height 22.9cm,…

  • …is often the cause of membranes tearing in their holders after autoclaving. It may also cause a reduction in flow rate and total throughput. Whatman membranes exhibit a low shrinkage during autoclaving. White plain filters This is the standard membrane filter for the majority of laboratory…

  • Presep Glass Prefilters

    GVS Filter Technology

    filter holder, the use of a prefilter that is slightly smaller in diameter than the main filter allows the prefilter to fit inside the O-ring or filter funnel holder seal, ensuring a positive membrane seal. When used as the main filter medium, select a diameter of the same size as the filter holder

  • Filter small volumes  3 funnel sizes  Concentrate samples in small area Borosilicate glass filter holder assembly for microanalysis of small volumes of liquids under vacuum. Filter biological samples or organic solvents. The holder utilizes a 25mm filter membrane yet…

  • …fit most filter holders. Cytiva offers glass microfiber filters with a range of pore sizes and thicknesses. Fine membrane prefilter benefits Whatman Grade GF/D from Cytiva business is a membrane prefilter that provides protection for membranes with fine retention. The filter can be…

  • re-usable thereby eliminating waste using disposable units use a variety of membranes that may not be availabe in disposable units These 13mm and 25mm type 304 stainless steel syringe holders are economical and re-usable thereby reducing waste. Luer-lock fittings are compatible with…

  • …contamination under vacuum. The 90mm holder offers an increased filtration area making it ideal for viscous samples and liquids with a heavy particle load or bioburden that would tend to clog a 47mm diameter filter. The anodized aluminum clamp secures the membrane between the funnel and glass base.…

  • …304ss unit may be flame sterilized to sanitize the holder between samples. The 500mL funnel connects to the base guided by set pins. The locking nut on the funnel secures the assembly together without twisting or tearing the membrane. The 304ss screen(w/ PTFE gasket) ensures particles will…

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