SKU: 7211930591

Sartorius 11404--47----ACN Gridded Sterile Cellulose Nitrate Membrane Filter, 0.8 um, 47 mm, 100/pk

Sale price$111.67 Regular price$124.08
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Description

Sartorius 11404--47----ACN Gridded Sterile Cellulose Nitrate Membrane Filter, 0.8 um, 47 mm, 100/pkSterile, individually packaged filters have long become standard for routine microbiological quality control because of the user benefits they offer. They are pre sterilized and ready to use and save preparatory time. As they are individually packaged, they avoid the possibility of contamination of remaining filters in opened packs and conform with GLP, having filter identification and lot number printed on each individual envelope. The increasing

Sterile, individually packaged filters have long become standard for routine microbiological quality control because of the user benefits they offer. They are pre-sterilized and ready-to-use and save preparatory time. As they are individually packaged, they avoid the possibility of contamination of remaining filters in opened packs and conform with GLP, having filter identification and lot number printed on each individual envelope.The increasing demand on these filters required the construction of a new packaging machine with ultra-modern stamping. Each membrane is checked to ensure it is not damaged in any way, is positioned correctly with no slippage under the edge seal, has perfect grid printing and is free of particles. Each envelope is checked for readable lettering.These membrane filters are in accordance with the following norms: ISO 7704, ISO 7899-2, ISO 8199, ISO 9308-1 and EN 12780. In addition to this they have been manufactured for use especially at the same time with Sartorius Nutrient Pad Sets in accordance with many 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.All membranes are made of cellulose nitrate (cellulose ester), a material which assures effective retention with high flow rates and optimum colony growth. The printed grid divides the filtration area into 130 squares, each measuring 3.1 × 3.1 mm makes the counting easier, especially for higher bacteria counts and for micro-colonies, but does not influence the growth. The various filter colors allow the best contrast to the colonies or particles.

Shipping Notes
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Exchange/Return Notes
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SKU: 7211930591

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4.2 ★★★★★
Based on 15 reviews
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Verified Purchase
Nancy Jane
Birmingham, US
★★★★★ 5
Really nice!
Color: Cream
Very attractive and more expensive looking than its cost. I have it in red, too.
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Reviewed in the United States on November 7, 2025
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Verified Purchase
J-Man
Draper, US
★★★★★ 5
Nice Tray
Color: Black
Nice tray!
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Reviewed in the United States on October 16, 2025
L
L K
Massapequa, US
★★★★★ 5
Versatile and decent size
Color: Black, Color: Black
I love little trays for random things. I saw this and had to get it. I ordered the black one. It came nicely packaged in a box that protected it from any damage during transport. It is approximately 8” x 8” x 1.6.” It is made of faux leather and MDF. It is supposedly water-resistant, but I have tested that. The interest in smooth, while the exterior walls have vertical ridges. The bottom is smooth. It’s heavy enough so it doesn’t side around. I have used it for numerous things: jewelry, pens and notepads, keys and sunglasses, perfume, medications, change, remotes, and change. It’s a handy and modern piece that could suit most people.
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Reviewed in the United States on December 11, 2025
L
loumarjr
Grantham, US
★★★★★ 5
Small Valet Tray Nightstand Organizer (Black)
Color: Black, Color: Black
I really love the leather look of this valet tray. It’s both stylish and functional, giving a classy touch to my nightstand while keeping small items neatly organized. The PU leather finish feels smooth, looks high-end, and the construction feels sturdy. Pros: Elegant PU leather design with a textured finish Compact 8x8 inch size fits perfectly on nightstands, dressers, or desks Multi-purpose — great for keys, watches, jewelry, remotes, or glasses Water-resistant surface makes it easy to wipe clean Adds a decorative touch while being practical Makes a thoughtful and stylish gift Cons: The sides are a little low, so bulkier items may slide out Only available in limited colors compared to some other organizers Overall, this is a really nice valet tray. It looks more expensive than it is, keeps my essentials in one place, and adds a clean, organized look to my space. Definitely worth it if you like the leather aesthetic!
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Reviewed in the United States on September 20, 2025
R
Rainstorm
Belleville, US
★★★★★ 5
Fits many trinkets and looks good
Color: Black
Simple little organizer for trinkets. Easy to snap together into a box shape and holds keys, pens, vapes, and other bits and pieces. My partner is happy I ordered it!
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Reviewed in the United States on October 4, 2025

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