SKU: 48866260213

PALL 4501 Acrodisc Syringe Filters with PTFE Membrane - 0.45 µm, 25mm (1000/pkg)

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Description

PALL 4501 Acrodisc Syringe Filters with PTFE Membrane - 0.45 µm, 25mm (1000/pkg)Syringe filters are used in analytical chemistry applications to remove particulate contamination prior to analysis. Filtering a sample prior to sample injection into analytical instrumentation will help protect sensitive parts of the instrument from particulate build up and reduce system downtime. Sample filtration using syringe filters containing 0. 45 m (HPLC) or 0. 2 m (UHPLC) pore size membranes will also extend the life of chromatography columns

Syringe filters are used in analytical chemistry applications to remove particulate contamination prior to analysis. Filtering a sample prior to sample injection into analytical instrumentation will help protect sensitive parts of the instrument from particulate build-up and reduce system downtime. Sample filtration using syringe filters containing 0.45 μm (HPLC) or 0.2 μm (UHPLC) pore size membranes will also extend the life of chromatography columns by preventing particulate from blocking the flow path between the column packing.

PTFE membrane is highly chemically compatible for the filtration of harsh solvents that can destroy other membrane materials. PTFE is a hydrophobic membrane, so it will repel water and is not suitable for the filtration of aqueous solutions.

As well as being suitable for the filtration of organic solvents in applications such as HPLC and UHPLC sample preparation, the hydrophobic nature of the PTFE membrane makes these syringe filters ideal to use in gas filtration or as a moisture barrier in venting applications.

25 mm Standard Acrodisc Syringe Filters

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SKU: 48866260213

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Mary Owens
Lowell, US
★★★★★ 5
Nice for storing canned/ bottled drinks
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Great. Wish I could've gotten it in a darker brown color, but it serves it's purpose.
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Reviewed in the United States on February 10, 2026
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Whiting, US
★★★★★ 5
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Size: 10 Wide, Color: Mocha Grainy Leather
Really nice shoes. Wide enough and comfortable I’m keeping these.
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Reviewed in the United States on May 14, 2026
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Mike
Pawtucket, US
★★★★★ 5
Good Fit Out of the Box
Size: 9, Color: Black
The shoes came with the correct size and is a good fit. They were originally pretty stiff, but are much better now after breaking them in. They look good. but as other's have said, they are made of synthetic leather and in my opinion have kind of a plastic look to them. The quality is good with ridged rubbber soles. I thought they were kind of expensive, but then again I haven't purchased these type of shoes in a while. A family member told me that if they were real leather, they would have been a lot more expensive. For what the shoes are I would recommend the purchase.
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Reviewed in the United States on February 11, 2025
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Mar Ronquillo
Alexandria, US
★★★★★ 3
I wanted to love these
Size: 9, Color: Black Leather
These are very good looking in person, especially the buckles and the pop of red on black. Alas, I have another pair of Marc Joseph shoes to compare comfort and fit, and this pair simply hurts my feet.
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Reviewed in the United States on May 31, 2026
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Wei
Lowell, US
★★★★★ 5
Fitness
Size: 9, Color: Black Leather
Comfortable
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Reviewed in the United States on June 5, 2026

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