SKU: 48866260213

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

Sale price$1158.03 Regular price$1286.70
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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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Donna Mick
Natrona Heights, US
★★★★★ 5
Great chew toy for my dog!
Color: Pacifier, Size: Small
My dog loves his Pacifier! It is pretty durable, odorless, easy for him to use and carry around from room to room! He loves to play with it!
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Reviewed in the United States on June 3, 2026
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tara speece
Grantham, US
★★★★★ 4
Perfect for Teething Puppies and Adult Dogs and Keeps Them Busy
Color: Pacifier, Size: Small, Color: Pacifier, Size: Small
The Nylabone Puppy Pacifier Chew Toy has been a lifesaver during my puppy’s teething stage and AFTER. Quality: The material is sturdy yet gentle enough for developing puppy teeth. After weeks of daily use, it shows normal wear. The pacifier shape makes it easy for small mouths to grip and carry around. Effectiveness: It’s great for soothing sore gums and redirecting chewing behavior. I’ve noticed my puppy is calmer after chewing on it for a while. Helpfulness Tip: Supervise during chewing sessions and wash it occasionally with warm soapy water to keep it clean. If you have a small-breed puppy under 25 lbs, this toy is a safe, durable, and fun way to help with teething. Bought twice, they love these. Miniature dachshund and French bulldog
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Reviewed in the United States on August 13, 2025
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Milldan65
Charlottesville, US
★★★★★ 5
Wonderful purchase
Color: Pacifier, Size: Small
Wonderful purchase for my puppy during gnawing phase.
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Reviewed in the United States on May 25, 2026
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DebbieKobler
Pawtucket, US
★★★★★ 5
Nice chew toy
Color: Dinosaur, Size: Small
I have a small dog that loves chewing on these. It’s a bit pricey, but it helps keep her teeth clean, so I will pay this over her needing tooth extractions and a vet bill.
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Reviewed in the United States on May 26, 2026
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ST
Carnegie, US
★★★★★ 3
Not chew proof for little puppies
Color: Rings, Size: Small
Our first Chihuahua when she was a puppy loved chewing on this and pieces never came off. Our second Chihuahua I guess was a heavier tour and he was able to get pieces flaked off.
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Reviewed in the United States on January 24, 2026

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