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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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Description
Nalgene™ Sterile Analytical Filter UnitsNalgene Sterile Analytical Filter Units Pack of 12 Nalgene filter units designed for microbiological analysis testing of water, food and beverage, raw materials, and finished products. Filter Units are comprised of polypropylene upper and high impact polystyrene lower and include a 1 4" to 3 8" ID quick disconnect tubing adapter for vacuum connection. Provides excellent recovery and growth of microorganisms. Upper chamber snaps away from receiver for
Nalgene™ Sterile Analytical Filter Units - Pack of 12
Nalgene® filter units designed for microbiological analysis testing of water, food and beverage, raw materials, and finished products. Filter Units are comprised of polypropylene upper and high-impact polystyrene lower and include a 1/4" to 3/8" ID quick-disconnect tubing adapter for vacuum connection.
Provides excellent recovery and growth of microorganisms. Upper chamber snaps away from receiver for retrieval of membrane with sterile forceps. Wide base is stable on the bench, and receiver is graduated from 20 to 150mL for easy reading of sample volume.
Units with 0.45 µm membranes meet requirements for APHA Standard Methods and U.S. EPA water quality testing. Gamma-sterilized, individually wrapped.
Provides excellent recovery and growth of microorganisms. Upper chamber snaps away from receiver for retrieval of membrane with sterile forceps. Wide base is stable on the bench, and receiver is graduated from 20 to 150mL for easy reading of sample volume.
Units with 0.45 µm membranes meet requirements for APHA Standard Methods and U.S. EPA water quality testing. Gamma-sterilized, individually wrapped.
- 0.45μm size has black grid to facilitate colony counting
Specifications:
| Certifications/Compliance | 0.45µm size conforms to Specification 909A, B and C of APHA Standard Methods, 16th ed.; EPA certification sheets included. |
| Material (Membrane) | Cellulose Nitrate |
| Pore Size | 0.45 μm |
| Type | Filter Unit |
| Diameter (Metric) Membrane | 47 mm |
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
4.3 ★★★★★
Based on 2164 reviews
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Product Reviews
★★★★★ 4
Fine choice for smaller dogs
Color: Green-M
A good choice for smaller dogs. My mini poodle enjoys flipping this around and playing tug of war with her humans. She cannot be left with it for any unsupervised play, because she was able to begin shredding one of the straps in a matter of a few minutes. The included pump works great.
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Reviewed in the United States on January 2, 2026
★★★★★ 5
Toeless wonders. Love em!
Color: Classic Color
Not gonna lie. These are a God sent when you have an issue with your toes. I hate my toes feeling constricted so these are phenomenal! Comfortable and well worth the money. I also like my socks thin. If you wear boots or hightops, these might not be what your looking for. I do adore the different shades and you can wear them one way or the other as one side is longer. If worn one way, they are higher up the ankle and vice versa.
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Reviewed in the United States on October 27, 2025
★★★★★ 5
Sheet protectors
Color: Retro Color
Love these at night when I put lotion or Vaseline on my heels to protect my sheets from oil stains. Would
Buy again.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
no toes covered
Color: Classic Color
i love these socks but there is room for improvement. The top and bottom band make indentions when i wear very long. A smooth stretchy bottom and top would be nice. i wouldn’t recommend for diabetics because of the indentions they make. They are fairly comfortable. But if not pulled on right you will walk on the band and it digs in a little. Also after awhile the top slides down and the foot part slides back. i have to keep readjusting. The material itself is soft. I am wearing and i like them but if i want more i will look for some without the elastic bands top and bottom. I dont like socks because my toes are sensitive and i am more comfortable without my toes covered. These are working for me now. In future will look for something similar.
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Reviewed in the United States on March 17, 2025
★★★★★ 4
Toes are grateful
Color: Fresh Color
I generally need more toe room in my shoes, but I don't need wider shoes. These are perfect for that. I took off one star because as I wash them , some of the stitching is coming undone. It doesn't seem to make a huge difference, however, so I still wear them. They are way too comfy to give up !
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Reviewed in the United States on March 9, 2025
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