SKU: 25181568384

Sartorius 14055--50------N Standard TTC NPS & gridded MF, 0.45µm, ⌀50 mm, 100/pk

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Description

Sartorius 14055--50------N Standard TTC NPS & gridded MF, 0.45µm, ⌀50 mm, 100/pkStandard TTC Nutrient Pad Sets for total colony count, 100 NPS in petri dishes, with 100 sterile membranes Sartorius Nutrient Pad Sets have been used successfully in the membrane filter method for more than 30 years. Practical and easy to handle, Nutrient Pads reduce labor and simplify many microbiological testing procedures. Microorganisms require the appropriate culture media for optimal growth. Nutrient Pad Sets are sterile, dehydrated culture

Standard TTC Nutrient Pad Sets for total colony count, 100 NPS in petri dishes, with 100 sterile membranes
Sartorius Nutrient Pad Sets have been used successfully in the membrane filter method for more than 30 years. Practical and easy to handle, Nutrient Pads reduce labor and simplify many microbiological testing procedures. Microorganisms require the appropriate culture media for optimal growth. Nutrient Pad Sets are sterile, dehydrated culture media. Once they are moistened with 3.0 – 3.5 ml of sterile and demineralized (or pure ) water they are ready-to-use immediately. The level of moisture is optimal when an excess ring of water surrounding the NPS is visible.

The standard NPS box contains 100 sterile Nutrient Pads, each of which is individually inserted in a petri dish and sterilized. Ten each of these petri dishes are sealed in an aluminum bag. This special packaging in bags protects the sensitive formula constituents of the Nutrient Pad during transport and storage from fluctuations in humidity and temperature. As a result, it guarantees the high quality of our NPS throughout their entire shelf life up to 24 months. This makes the Sartorius Nutrient Pads Sets unique: No other ready-to-use culture media around the globe assures such consistently high quality and reproducible results up to 24 months.

Compliance with International Standards: Currently, Sartorius offers more than 30 different Nutrient Pad Set types to meet the diverse requirements of microbiological analysis. Aside from the European drinking water directive, they comply with other international regulations and recommendations: international pharmacopoeias, DIN and ISO standards, the American Standards for Water and Foods, mineral water regulations, brewery guidelines, such as MEBAC or EBC, and recommendations of the food industry, such as LMBG, NCA and ICUMSA, etc.

Includes Membrane Filters: All Nutrient Pad Set types are supplied with the appropriate membrane filters, which are also individually sterile packaged. Nutrient Pad Sets are also available with Microsart® e.motion Membrane Filters which are specially designed for the Microsart® e.motion Dispenser and can be conveniently inserted. The membrane filters are then automatically removed from their sterile package. All membrane filters, tailored to meet the special requirements of microbial detection, are available with 47 or 50 mm diameter.

Trouble-free storage up to 24 month
Compliance with international standards and references
Validation guide available
Highly versatile -multiple applications
Economical – no time consuming and labor intensive preparation of nutrient media (sterilization, cleaning etc.)
Easy handling – no need for comprehensive microbiological testing equipment

Shipping Notes
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Exchange/Return Notes
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SKU: 25181568384

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4.4 ★★★★★
Based on 278 reviews
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paula
New York, US
★★★★★ 5
Reliable and power hub
I use most of the ports on this hub and other slightly cheaper hubs caused my monitors to turn off and back on frequently, presumably a power issue. As long as I have my computer charger plugged into the hub this has not been an issue with the anker one.
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Reviewed in the United States on December 26, 2025
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Cameron Rennie
Lake Worth, US
★★★★★ 4
Works great but gets warm.
Overall, this is a pretty good product with a few minor flaws. First, every port seems to work great. I purchased this so I could use the dual display feature on my iPad Pro and cast onto an external monitor through the HDMI port. Works like a charm. The USB ports work great as well, and the USB C has proven surprisingly functional. The power through charging (plugging in a regular power cord to the hub to charge the iPad) has had some issues, but I believe it was mainly because I was using the regular iPad charger that came with my iPad, and it wasn’t powerful enough for the charging through the hub. It was a 20 watt charger and I need 30 watts. I have yet to get a 30 watt but I am sure that will fix my problem. The other flaw I have noticed is that it tends to warm up rather quickly. From my personal experience, this seems to be fairly common with these USB C hubs. This one in particular gets warm quickly, like within 20 minutes or so after using the HDMI and at least 1 USB port, which is rather fast compared to other hubs. That being said, it hasn’t gotten really HOT, just warm. Even after couple hour study session, it is still just warm, so that is good. Anyways like I stated, this is a pretty good hub and for the price is probably hard to beat. I would recommend this to someone who is looking to increase their productivity of a device that has USB C.
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Reviewed in the United States on December 3, 2023
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Verified Purchase
Shah
Cuba, US
★★★★★ 5
Complete essential for anyone with a MacBook Air
If you're a MacBook Air / laptop with only USB-C ports, this is a total essential. It's an all in one hub to connect to all your devices You can hook up to monitors, plug in dongles for your mouse, etc that you wouldn't be able to. I'm able to display at 2K with this to extend my laptop and use a mouse with a USB-A dongle thanks to it. It's sleek, well designed, slim, and has a stylish LED indicator. And if you have a monitor that supports power delivery you don't even need to use your charging cable and can charge straight out of this. I really can't think of any cons.
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Reviewed in the United States on August 8, 2025
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Verified Purchase
Schuyler
Lowell, US
★★★★★ 5
Product Quality
It is great and I use it almost everywhere I go. This all in one anker Dock station is great! Video quality from the HDMI is great! I use it with my Sceptre 32 inches monitor and works great! The connection does not interrupt and works great. Valuable for money. I recommend this.
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Reviewed in the United States on October 28, 2025
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Verified Purchase
Emily Scott
Boise, US
★★★★★ 5
Works great!
This thing is a workhorse and is perfect for making my laptop more functional. Definitely well worth the money
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Reviewed in the United States on February 7, 2026

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