🔬 Seal the Deal with Style!
The Globe Scientific 118127K Polyethylene Flange Plug Cap is a must-have for any laboratory setting. Designed specifically for 12mm test tubes, this pack of 1000 caps offers a reliable seal while being lightweight at just 0.472 kilograms. Made in the USA, these caps come in assorted colors, making organization a breeze.
B**R
Don't expect them to seal tight
I'm not really impressed with these caps. If you push little to hard they go in all the making it hard to get them back out.. They do not seal up tight. The good thing was not the caps, it was the great price for the tubes, but even that has draw backs. The seal isn't right enough to store my custom paints and inks.Very dissapointed that the company refused to answer my questions.Blue
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