
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 8 - Jul 13
For Your Every Summer RSVP, with Code: SUMMER15
Description
GVS 3033302 Poretics™, Filtration Membrane Polycarbonate Track Etched Black Hydrophilic 293mm 3.0 µmPolycarbonate Track Etched (PCTE) Hydrophilic Black Membrane, 3 m, 293 mm, 20 pk GVS Polycarbonate Track Etched (PCTE) Membrane 3m, NON STERILE, 293mm diameter, Made from a thin polycarbonate film with precisely defined pores. Produced through a two step proprietary mfg process that employs high quality standards for increased control over pore size and density. Processing ensures the physical properties of each membrane precisely fit specifications.
Polycarbonate Track Etched (PCTE) Hydrophilic Black Membrane, 3 µm, 293 mm, 20/pkGVS Polycarbonate Track Etched (PCTE) Membrane
3µm, NON-STERILE, 293mm diameter,
Made from a thin polycarbonate film with precisely defined pores.
Produced through a two-step proprietary mfg process that employs high quality standards for increased control over pore size and density.
Processing ensures the physical properties of each membrane precisely fit specifications. Results in a thin, translucent polycarbonate filter with a smooth, flat surface.
Treated with PVP[Polyvinylpyrillidone] for a hydrophilic membrane.
Features and Benefits
Absolute pore size and density allows for precise size separation. Superior Strength. Low protein binding. Resists chemical staining to ease microscopic visualization.
Applications
General Filtration, Legionella test (UNI EN ISO 11731_2017), Removal of red blood cells from plasma, flow control of reagents through assays, precise filtration and prefiltration, fuel testing, cytology, and microscopy
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 332 reviews
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Product Reviews
★★★★★ 5
Good product
Size: One Size, Color: Brown
I like it. well fabricate.
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Reviewed in the United States on April 23, 2026
★★★★★ 3
Orange looking, but large capacity
Size: One Size, Color: Brown
I ended up returning this product, it looks more orange in color than what is pictured. Also, it doesn't smell like leather. On a positive note, it was inexpensive and did have a large organization capacity.
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Reviewed in the United States on December 4, 2025
★★★★★ 5
Best wallet on the market.
Size: One Size, Color: Nubuck Black, Size: One Size, Color: Nubuck Black
This is the only wallet I buy now. Over and over. I like simple wallets. No bifold. Trifolds hurt your back. Hard case are a mess that rub your credit card mag strips off from friction. I found this a few years back and have bought 3. I am a stone worker so mine get worn from the dust and grit in my pockets faster than normal wear and I need to swap them out every couple of years. I like the simplicity and the fact that the pockets are stitched the same depth so your cards stack like varying length stair-style tabs rather than all the same depth. Wallet is RDIF protection lined. I can put like 15 cards in this wallet and it’s still thinner than a bifold holding 5. I love it. I mean it. I haven’t found a better wallet than this one. They are very well-built. Picture shows wallet with 19 cards + 40 dollars. 3/4 of an inch thick.
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Reviewed in the United States on December 5, 2025
★★★★★ 5
Alpine Swiss makes such a good product, well, I purchased three!
Size: One Size, Color: Nubuck Tan
These leather money clips will not disappoint. Great craftsmanship at a great price!
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Reviewed in the United States on March 30, 2026
★★★★★ 4
Good Product
Size: One Size, Color: Smooth Finish Black
Good product although the leather is a bit stiff. Hopefully it will soften up over time. Fair price, fast shipping…
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Reviewed in the United States on April 30, 2025