SKU: 58657389689

Steristoppers No. 12 (1,000 pcs.)

Sale price$58.11 Regular price$64.57
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Description

Steristoppers No. 12 (1,000 pcs.)Product overview Cellulose plugs Autoclavable up to 200 C Bacteria filtering, air permeable For sterile closure of bacteria cultures Available in different diameters Steristoppers The Steristoppers from Heinz Herenz are made of cellulose and are used for sterile closure of bacteria cultures in various laboratory vessels such as test tubes, Erlenmeyer flasks or culture flasks. These single use cellulose plugs are air permeable, bacteria filtering and

Product overview
  • Cellulose plugs
  • Autoclavable up to 200 °C
  • Bacteria filtering, air permeable
  • For sterile closure of bacteria cultures
  • Available in different diameters

Steristoppers

The Steristoppers from Heinz Herenz are made of cellulose and are used for sterile closure of bacteria cultures in various laboratory vessels such as test tubes, Erlenmeyer flasks or culture flasks. These single-use cellulose plugs are air permeable, bacteria filtering and can be autoclaved up to 200 °C. 

 

You can order your Original Heinz Herenz Steristoppers in a wide range of sizes to fit all of your laboratory vessels from Medvana.


Product Details

  • Cellulose plugs
  • Suited for sterile closure of test tubes, Erlenmeyer flasks and culture flasks
  • Autoclavable (up to max. 200 °C)
  • Bacteria filtering
  • Suited for single use
  • Air permeable
  • Available in various dimensions (diameters)
  • Pack contents vary based on Steristopper size

Size Inner Diameter of Glass
10 9.5 - 11,5 mm
11 12 - 14.5 mm
12 11.5 - 13.5 mm
13 12.5 - 14.5 mm
14 13 - 14.5 mm
20 20.5 - 22 mm
29 29.5 - 31 mm
32P 32 - 33 mm
45P 47 - 48 mm

The Steristoppers are also available in many other sizes upon request. Please review the below PDF to find your desired size.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 58657389689

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VeryWendiful
New York, US
★★★★★ 5
So pretty
Color: 6 Panels Natural, Size: 6 Panels
Beautiful!!
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Reviewed in the United States on October 30, 2025
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Miah
Draper, US
★★★★★ 5
Solid Floating Shelves 🛠️🏠
Color: Black, Number Of Shelves: 4, Size: 15.7in
I have installed four sets of the black floating shelves in my office. They are made of high quality materials, featuring a sophisticated black woodgrain finish with a natural texture. Supposedly, each unit can handle up to 22 pounds, though I would not recommend testing that limit with your vintage bowling ball collection if you value your flooring. They are awesome. The value is good for a set of two. Each shelf measures 22x7x1 (56x17x3 cm) inches, providing a decent amount of storage for books or decor. The installation was straightforward since the hardware for multiple wall types was included. They work well in the kitchen for spices or in the bedroom for personal belongings. One tip for a secure fit: use a level during installation and make sure the bracket is flush against the wall before sliding the shelf on, or your photos might look like they are sliding off a mountain 📐 These shelves offer a clean, modern look and stay stable once mounted correctly. They are a practical choice for adding functional display space to any room 🖼️
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Reviewed in the United States on May 4, 2026
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Tyler Kline
Fort Morgan, US
★★★★★ 5
Good looking shelves and easy install - skip the included drywall anchors
Color: Black, Number Of Shelves: 2, Size: 22in
I installed these shelves in a bedroom to get things off my dresser and some decor. Once mounted they look really nice. The black finish looks clean and modern and they blend in well with the room. Installation was pretty straightforward. The metal bracket mounts to the wall first and then the shelf slides over the bracket. As long as you take your time lining things up it’s a simple project. One thing I strongly recommend is not using the white plastic self-drilling drywall anchors that come with the kit. I’ve used that style before on other projects and they tend to strip out easily and leave larger holes in drywall. I used better anchors instead and the shelves mounted much more securely. The rest of the hardware worked fine and once installed the shelves feel solid and hold items well. Pros - Clean modern look - Easy installation - Feels solid once mounted - Good size for books or decor Cons - The small level included isn’t very accurate — use your own level - One of the metal brackets was slightly bent out of the box but straightened out easily Helpful tip: Use your own level and better drywall anchors if you have them. It makes installation easier and the shelves will mount much more securely. Final thoughts: For the price these are nice looking floating shelves that install easily and work well for light storage and decor.
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Reviewed in the United States on March 13, 2026
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Coffman, H
Omaha, US
★★★★★ 5
Cheap, and effective!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Looks good, works great, low cost. I'll be purchasing more in the future.
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Reviewed in the United States on May 12, 2026
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Amazon Customer
Belleville, US
★★★★★ 4
Cute for coffee bar!
Color: Black, Number Of Shelves: 4, Size: 15.7in
Great for above my coffee bar. Easy to mount and align. Seems stable!
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Reviewed in the United States on April 14, 2026

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