Merck’s Membrane filtration technique complies with international standard such as standard methods for Examination of Water and Waste water, US EPA, and EU testing procedures for drinking water or other filtration testing it’s simple: the test sample is filtered through a microporous membrane, allowing the retention of microbial contamination on top of the membrane. Rinsing removes residues that might inhibit the growth of microorganisms. Once the sample is filtered, nutrient medium is added to promote growth of microorganisms for recovery. For testing non-filterable samples, Merck offers a large selection of culture media of the high quality.
The EZ-Fit™ Filtration Unit is a disposable filtration device for bioburden testing of liquid samples including water, in-process samples, and final products
Optimal microbial recovery
The EZ-Fit™ Filtration Units have been designed to ensure optimal microbial recovery. The sterilized, disposable filtration devices for bioburden testing streamline your workflow, save time and give you highly reliable microbial enumeration results.The blue and pink drain support and the funnel-to-base assembly have been optimized so that the membrane remains perfectly flat after the sample filtration. When transferred to the culture medium, the whole filtration surface of the membrane is in perfect contact with the culture media. The shape of the funnel and the hydrophobic material minimize sample residue ensuring that the complete sample volume reaches the membrane surface. The innovative funnel assembly design prevents any leaks or sample by-pass of the membrane, meaning that the whole sample volume is filtered. The EZ-Fit™ Filtration Units conform to international standards (EP/USP) and comply with water testing regulations.
Reliable results – every time
The protective rim allows safe membrane transfer with forceps, reducing the risk of touching the membrane filtration area, and the vented lid can be left on the device during filtration.
The EZ-Fit™ Filtration Unit cover a wide range of applications, offering a selection of membranes and the flexibility to use liquid or solid culture media.
Save precious time
The pink drain design reduces filtration time on difficult to filter samples. New packaging solutions allow a reduction of set up time. For detailed information download the Data Sheet.
In summary, the new EZ-Fit™ Filtration Units offer:
A design to eliminate sources of contamination:
Ease of use:
Designed to improve operation time and comfort
Simply connect the pump to your manifold or filtration apparatus and place the discard tubing to drain and you are ready to filter. There is no need to use additional containers to capture the waste liquid. This brings a significant time saving versus traditional vacuum/pressure pumps or in-house vacuum because the following steps are eliminated: disconnecting the waste containers, emptying liquid waste, cleaning/decontaminating, re-installing the waste containers.
Thanks to its compact design the EZ-Stream™ pump is ideal for use both on the work bench and in the laminar flow hood where its small footprint (W 20cm – L 17cm – H 22cm) will save precious space.
The EZ-Stream™ pump is at home handling both liquids and gases making it also suitable for many additional Life Science Laboratory applications.
Each individual pump is tested to ensure that the max vacuum delivered does not exceed 700 mbar, the vacuum pressure recommended in ISO 8199 (Water quality – general guidance on the enumeration of micro-organisms by culture).
A critical point in the microbiology laboratory, and aligned with GLP, is decontamination of equipment. The smooth design of the pump makes this operation easy and efficient. The EZ-Stream™ pump has been qualified to be compatible with a range of surface decontaminants.
Noise is often an issue when using filtration pumps. With the EZ-Stream™ a cover protects the pump mechanism, and the assembly has been optimized to reduce the noise down to 60 dB.
High vacuum performance
Thanks to its innovative design, the EZ-Stream™ pump can provide vacuum up to 600-700 mbar, and because it transfers liquids through the pump head this translates to a high flow rate performance. The pump can easily handle a multiple head manifold for water or beverage testing, providing a comparable flow rate to traditional vacuum/pressure pumps and a better flow rate when compared to other liquid pumps.
The EZ-Stream™ pump technology and the materials of construction provide reliable vacuum performance and make the pump maintenance-free. The diaphragm is made of highly durable chemically resistant polytetrafluoroethylene (PTFE).
EZ-Pak® Membranes for use with EZ-Pak® Dispenser Curve
Assured Convenience and Sterility
The new EZ-Pak® Dispenser Curve revolutionizes filter handling for MF method testing by combining the benefits of high-speed sterile membrane dispensing, no-touch operation and one-handed membrane transfer.
Clear advantages of the EZ-Pak® Dispenser Curve include fast and easy membrane loading, robustness and the ability to operate with or without the power cable.
For the ultimate in convenience and efficiency, combine the EZ-Pak® system with the Microfil® filtration system. The Microfil® system includes ready-to-use, sterile filtration funnels and a unique filtration support to facilitate sample processing. No preparation steps are required.
EZ-Fluo™ is a non-destructive method that enables you to continue to grow the microorganisms after they have been stained in order to identify them using any standard ID technology. This is a tremendous advantage compared to other rapid test systems which cannot ID microorganisms using the same sample that was tested to detect the contamination.
Faster product release
Today, more and more QC laboratories are switching to rapid methods for the detection of microbial contamination. This is because traditional methods require several days to provide results and therefore are of limited value when it comes to releasing product to the market faster, or to conducting quick investigation when necessary.
EZ-Fluo™ can detect and quantify microbial contamination in any filterable sample. Potential applications are numerous and include testing of the following sample types:
Support and Services
We provide a comprehensive range of support and services to help you save your QC resources and facilitate the implementation of your EZ-Fluo™ system into your daily testing routine. Our highly experienced service teams can assist you with the following activities:
For further information on our support and services offering please contact your local sales representative.
Support and Services
Merck provides technical support and a comprehensive service offering to help you save your QC resources and facilitate the implementation of your EZ-Fluo™ into your daily testing routine. Our highly experienced teams are there to assist you.
You can contact your local sales representative.