SKU: 8988550431

MTC Bio T8239 Cap, two-position, for 17×100mm tubes, PE, 1000/cs

$33.62 $37.35
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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

MTC Bio T8239 Cap, two-position, for 17×100mm tubes, PE, 1000/csMTC Bio culture tubes are available in both 1275mm (5mL) or 17100mm (14mL) capacities. Low density polyethylene (LDPE) snap caps can be attached in two positions. The first position allows for the flow of air both in and out of the tube enabling aerobic culturing. The second position offers a leak proof and air tight seal making it ideal for anaerobic culturing and or sample storage. The tubes are available in two plastic polymers. Crystal clear

MTC Bio culture tubes are available in both 12×75mm (5mL) or 17×100mm (14mL) capacities. Low density polyethylene (LDPE) snap caps can be attached in two positions. The first position allows for the flow of air both in and out of the tube enabling aerobic culturing. The second position offers a leak-proof and air-tight seal making it ideal for anaerobic culturing and/or sample storage.
The tubes are available in two plastic polymers. Crystal clear polystyrene (PS) tubes withstand temperatures from 0°C to 70°C, while durable transparent polypropylene (PP) tubes withstand temperatures of from -86°C to 121°C.
Tubes are available with caps attached and printed graduations, or without caps and graduation-free. Polystyrene tubes may be centrifuged at up to 2000×g. Polypropylene tubes withstand higher centrifugal forces, up to 4000×g.
All tubes and caps come sterilized to SAL 10-6 and are RNase, DNase, pyrogen and cytotoxin free.

Features:

• Available in Polypropylene or Polystyrene
• Dual-Position snap caps attached or ordered separately
• Molded graduations on attached cap versions
• Sterile; RNase, DNase, pyrogen, and cytotoxin free

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 8988550431

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4.3 ★★★★★
Based on 492 reviews
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Verified Purchase
Sharon T.
Alexandria, US
★★★★★ 2
Combersom
Cumbersome, does not hold 3nough water
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
M
Miah Quesada
Fort Morgan, US
★★★★★ 3
Mixed Results
These strips fit comfortably and don’t slide around, which I appreciated. They are gentle on my gums and enamel, and I noticed a slight improvement in brightness after consistent use. That said, they aren’t as strong as some other whitening strips on the market, so if you’re looking for dramatic results you may be underwhelmed. Good for subtle whitening.
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Reviewed in the United States on October 2, 2025
D
Disappointed Reader
Chelsea, US
★★★★★ 5
Does work well for removing minor stains
This product is probably best for removing minor staining - things like coffee, tea, red wine. I don't think it would work for longer-term stains that accumulate with age - the strips are not powerful enough for that. Very easy to use: just apply and leave on for half an hour or until you can feel that they are no longer well-attached. The "cleaning" process starts immediately - you can see the bubbles form. I am a tea drinker, and I notice immediate effect after putting these on. Don't expect miracles, but they will help with fresh stains for sure. For me, they do not increase the sensitivity, but my teeth are generally not sensitive. But they are peroxide based, so the possibility is always there that it could have that side effect.
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Reviewed in the United States on November 1, 2025
R
Raejanae'
Battle Creek, US
★★★★★ 4
Actually Works! Noticeable Results Quickly
THESE WORK GREAT! I’m a smoker and occasional coffee drinker, and these strips got my teeth from a 12 to a 9 in just a week—I actually noticed results right away. I don’t use them every day, but even with sporadic use, the difference is clear. A couple of downsides: a few strips didn’t stick perfectly, but most stayed in place well. The upsides: I have very sensitive teeth (I can’t even drink ice-cold water easily), and even when I left the strips on longer than recommended, I had very little to no sensitivity. Another bonus is that they’re stretchy! I’ve tried other well-known brands, and their strips had no stretch and often left my back teeth exposed. Overall, these are effective, comfortable, and easy to use—I definitely recommend them!
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Reviewed in the United States on September 27, 2025
T
Teleskier
New York, US
★★★★★ 5
Finally, whitening strips that work for me
I normally have not been able to use whitening strips due my teeth and gums being sensitive, but that hasn't been a problem with these pleasant-tasting strips. They really stick well on the teeth, takes a little effort to get them off in fact but that's not a complaint. Of course the main thing is that they whiten the teeth and while my teeth are probably a little harder to whiten due to my copious use of coffee and tea I can say that these have definitely whitened my teeth a couple shades since using them. Would definitely use again.
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Reviewed in the United States on October 25, 2025

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