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Lab Filtration Products

Disposable Vacuum Filtration

Disposable Vacuum Filtration is a complete system for filtering and storing aqueous samples under vacuum, designed for routine use in cell culture, biological testing, and environmental analysis. The system includes a polystyrene funnel with a polyethylene neck and a removable polystyrene storage bottle, available in 150 ml, 250 ml, 500 ml, and 1000 ml volumes. Each system uses a single membrane type selected from Nylon, PES, Hydrophilic PVDF, MCE, or CA, with pore sizes of 0.22 or 0.45 micron. The system is supplied in bulk packs of 12 or 24 units, enabling lab-wide standardisation without the need for cleaning or reprocessing.

Complete system with funnel, neck, and storage bottle reduces setup time and assembly errors
Single-use design eliminates carry-over between samples and avoids cross-contamination
Available in four volumes to match sample size and filtration throughput needs
Nine membrane options cover aqueous, biological, and mixed solvent matrices

Key Benefits

What This Product Gives You

Complete system with funnel, neck, and storage bottle reduces setup time and assembly errors
Single-use design eliminates carry-over between samples and avoids cross-contamination
Available in four volumes to match sample size and filtration throughput needs
Nine membrane options cover aqueous, biological, and mixed solvent matrices
Pore sizes of 0.22 and 0.45 micron allow selection for sterile filtration or particulate removal
Bulk packing of 12 or 24 units reduces handling and inventory complexity

Complete system includes polystyrene funnel with polyethylene neck and removable polystyrene storage bottle
Available in four volumes: 150 ml, 250 ml, 500 ml, and 1000 ml
Nine membrane options: Nylon, PES, Hydrophilic PVDF, MCE, CA
Two pore sizes: 0.22 micron and 0.45 micron
Polystyrene funnel and bottle are designed for single-use and vacuum filtration
Removable storage bottle allows easy transfer and storage of filtered samples
Supplied in packs of 12 (system) or 24 (funnel only) units

Where It Is Used

Applications And Buyers

Application Scenarios

Filtering cell culture media and growth factors before use in biological assays
Preparing sterile buffers and reagents for microbiology and life-science applications
Clarifying environmental water samples for microbial or particulate analysis
Processing biological fluids such as serum, plasma, or supernatants in R&D labs
Handling high-volume sample batches in pharmaceutical QC without cross-contamination

Who It Is For

Pharmaceutical and biotech laboratories requiring sterile filtration of aqueous solutions
Environmental testing labs processing multiple water samples with consistent filtration
Food and beverage labs filtering protein-rich or particulate-laden samples
Contract research organisations standardising filtration across multiple projects
Lab distributors sourcing complete, ready-to-use filtration systems for reselling

Problems It Solves

Cross-contamination from reusable filtration systems due to incomplete cleaning
Time lost assembling separate funnels, bottles, and membranes for each filtration
Inconsistent filtration performance when using mismatched components from different suppliers
Membrane degradation or leaching in reused systems, especially with biological samples
Inadequate storage of filtered samples due to open or non-sterile containers

Data

Specifications

System Components	Funnel, polyethylene neck, removable storage bottle
Volume	150 ml, 250 ml, 500 ml, 1000 ml
Filter Media	Nylon, PES, Hydrophilic PVDF, MCE, CA
Pore Size	0.22 micron, 0.45 micron
Funnel Material	Polystyrene
Neck Material	Polyethylene
Bottle Material	Polystyrene
Packing	12 pcs per case (system), 24 pcs per case (funnel only)
Application	Filtering and storing aqueous solutions, cell culture media, biological fluids

Materials

Polystyrene funnel
Polyethylene neck
Polystyrene storage bottle
Membrane selected per application: Nylon, PES, Hydrophilic PVDF, MCE, CA

Customization Options

Choice of nine membrane types across 0.22 and 0.45 micron pore sizes
OEM private-label printing available through the Microlab OEM division
Custom packing configurations possible for bulk orders
OEM contract manufacturing and membrane die-cut and packing services available

How It Is Made

Manufacturing And Quality Control

Manufacturing Process

Polyethylene neck extrusion and assembly
Membrane die-cutting to size
Assembly of funnel, neck, and membrane
Sealing of membrane into funnel base
Packing of complete systems in 12-unit cases or funnels in 24-unit cases

Quality Control

Visual inspection of funnel, neck, and bottle for defects before assembly
Membrane integrity tested against specified pore size and material
Sealing of membrane to funnel verified for vacuum integrity
Final system checked for correct volume and component alignment

Comparison

Compared With The Alternatives

Versus Reusable filtration systems

Single-use design eliminates cleaning, carry-over, and reprocessing risks, especially critical for biological and sterile applications

Versus Separate funnels and bottles from different suppliers

Complete system ensures compatibility and consistent performance across all components

Versus Multi-layer or pre-filter systems

Single-layer membrane construction reduces extractables and maintains flow rate for sensitive applications

Versus Generic disposable kits without membrane options

Nine membrane choices allow selection based on sample chemistry, unlike fixed-membrane kits

Use Guide

How To Use It

Select the membrane based on sample type: PES or MCE for aqueous solutions, Nylon for mixed solvents, Hydrophilic PVDF for biological fluids
Choose 0.22 micron for sterile filtration and 0.45 micron for particulate removal
Match the system volume to the sample size to avoid overflow or underutilisation
Attach the funnel to a vacuum source and ensure the neck is securely connected to the bottle
Pour sample into the funnel and apply vacuum until filtration is complete
Remove the bottle and seal it for storage or transfer; do not reuse the system

Photos

Product Gallery

Also In This Category

Related Industries And Guides

Vacuum Filtration Setup Guide

FAQ

Questions Buyers Ask

What membranes are available in the Disposable Vacuum Filtration system?

Available membranes are Nylon, PES, Hydrophilic PVDF, MCE, and CA, with pore sizes of 0.22 and 0.45 micron

What volumes are available?

The system is available in 150 ml, 250 ml, 500 ml, and 1000 ml volumes

Can I reuse the system after filtration?

No. The system is designed for single-use only to prevent cross-contamination and ensure consistent performance

What is the difference between the system and the funnel-only version?

The system includes the funnel, neck, and storage bottle. The funnel-only version (ending in T) is for labs that already have bottles and need only the funnel and membrane

Do you offer private-label packaging?

Yes. The Microlab OEM division supports private-label printing and custom packing for bulk orders

How are the systems packed?

Complete systems are packed in cases of 12 units. Funnel-only versions are packed in cases of 24 units