Description
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The MEDILAB Membrane Filter Holder Assembly is a high-performance filtration unit designed for precise membrane-based filtration under vacuum. It ensures accurate particle retention, sample clarification, and microbiological analysis across scientific and industrial laboratories. Engineered from premium Borosilicate Glass 3.3, this assembly offers long-term durability, excellent chemical resistance, and consistent filtration reliability—making it a vital solution for quality-critical laboratory workflows.
Key Features
- High-quality Borosilicate Glass 3.3 for superior thermal and chemical resistance
- 47 mm membrane compatibility, suitable for standard analytical filtration methods
- Corrosion-resistant stainless steel components for stable and leak-free operation
- Precision ground-glass joints for secure vacuum sealing
- Smooth interior surfaces minimize sample retention and ensure easy cleaning
- Autoclavable and reusable, maintaining long-lasting performance
- Designed for high vacuum filtration, offering exceptional stability
- Clear etched markings for easy visibility and measurement accuracy
- Engineered for effortless assembly and disassembly during routine laboratory use
Material Specifications
- Primary Material: Borosilicate Glass 3.3
- Thermal Properties:
Excellent thermal shock resistance. Suitable for autoclaving at standard laboratory temperatures - Chemical Resistance:
Inert to most laboratory acids, solvents, and aqueous media
Prevents sample contamination or reaction - Mechanical Strength:
Rigid structure tolerates high vacuum pressures - Compliance: Manufactured following international laboratory glassware standards (ISO / DIN applicable)
Technical Specifications
- Membrane Diameter: 47 mm
- Funnel Capacity: As per the standard size table
- Joint Type: Standard ground-glass joint
- Vacuum Port: Sidearm for tubing attachment
- Tolerance: Precision-engineered joints ensuring airtight vacuum operation
- Accessories Included: Glass funnel, Membrane holder/base, Stainless steel clamp, Vacuum filtration flask, Silicone or rubber sealing components (model-dependent)
Handling & Precautions
- Assemble using clean, dry components to prevent contamination
- Avoid sudden temperature changes to prevent glass stress or breakage
- Suitable for autoclaving at 121°C—allow slow cooling afterward
- Clean with mild detergents or compatible laboratory solvents; avoid abrasives
- Do not apply excessive force when tightening clamps
- Inspect membranes and sealing parts before each use to ensure leak-free operation
- Store in a cushioned, dust-free environment to maximize service life
Applications
- Pharmaceutical & Biotech Labs: Sterility testing, microbial filtration, media preparation
- QC/QA Laboratories: Particle analysis, sample purification
- Environmental Testing: Water, wastewater, soil extract filtration
- Food & Beverage Industry: Microbial quality assessment
- Chemical & Industrial R&D: Solution clarification and particulate removal
- Academic & Research Institutions: Routine filtration for teaching and experimental studies
This assembly is widely used in daily laboratory workflows where high precision, sterility, and consistency are essential.
