EZ-Fit® Filtration Units
The EZ-Fit ® Filtration Unit is a disposable filtration device for bioburden testing of liquid samples including water, in-process samples, and final products.

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The EZ-Fit® Filtration Unit is a disposable filtration device for bioburden testing of liquid samples including water, in-process samples, and final products.
The EZ-Fit® Filtration Units have been designed to ensure optimal microbial recovery. The drain support and the funnel-to-base assembly have been optimized so that the membrane is perfectly flat after the sample filtration. When transferred to the culture media, the whole filtration surface of the membrane is in perfect contact with the culture media. No folds or membrane waves ensures optimal microbial recovery. The shape of the funnel and the plastic 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.
Benefits:
- Drain support and optimized funnel-to-base assembly ensure optimal microbial recovery
- The unique funnel design ensures that the whole sample volume is filtered
- The risk of contaminating the membrane with forceps is reduced to a minimum due to a continuous rim
- 250 ml funnels allow larger volume samples
Performance comparison and evaluation of microbiological recovery of Aspergillus brasiliensis using EZ-Fit™ Filtration Units
The EZ-Fit Filtration unit is a disposable filtration device used for bioburden testing of liquid samples, designed to optimize laboratory workflow. Two different EZ-Fit Filtration units are available: one with an absorbent pad and one without. This application note compares the performance of EZ-Fit Filtration Units to seven competitors focused on Aspergillus brasiliensis ATCC. The method was used to measure the microbiological recovery rate and to observe general handling during execution.
Amicon® Stirred Cell Enables Gentle and Efficient Large Volume Sample Concentration and Continuous Diafiltration
This application note from Sigma Lab Solutions demonstrates how use of ultrafiltration devices can lead to maintained product stability in experiments, and shows the benefits of using the Amicon® Stirred Cell family of devices when concentrating and buffer-exchanging large volumes of macrosolutes.
Comparison of EZ-Fit™ Filtration Units and Competitor Filtration Units to Assess Microbiological Recovery
In this study the EZ-Fit™ Filtration Units were evaluated in comparison with four filtration units from two competitors. EZ-Fit Filtration Units are ideal for use in product, raw material and in-process testing, typically performed according to USP <61>, and water testing according to USP <1231>. USP <61> specifies tryptic soy agar (TSA) for total aerobic microbial counts (TAMC) and Sabouraud dextrose agar (4%) for total yeast and mold counts (TYMC). In addition, USP <1231> recommends that purified waters for pharmaceutical purposes should be tested with a low nutrient agar such as R2A agar.
EZ-Fit™ Filtration Unit
Watch this video to discover the unique design of the EZ-Fit™ Filtration Unit, from EMD Millipore. Providing optimal microbial recovery and reduced risk of contamination, the EZ-Fit™ Filtration Unit fits efficiently into any laboratory workflow. Save time and provide reliable microbiological results with the EZ-Fit™ Filtration Unit.
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