Seal the Deal! 🔒
These 20mm Vial Rubber Stoppers (100 Count) are designed for optimal sealing of glass vials and liquid culture jars. Made from high-quality butyl rubber, they offer excellent heat stability, can be sterilized by steam, and are reusable, making them a practical choice for laboratory and home use.
D**R
Work perfect for mycology
I use them when sterilize my substrate usually popcorn it works better than anything else I have found and easy to clean off the stems just break them off they make it where I can enoculate without contamination it's very important
C**N
Buy this one
Excellent. Exactly as described. Fits a 15/32 inch hole perfectly. Use a step drill bit for a super easy clean hole in a jar lid. Oreilly sells a kit that includes a step drill bit with the correct size. Best value for money. Excellent durability, I tested one by puncturing it 20 times. As long as you use slightly different spots it lasts easily 10-15 punctures with a 16 gage needle.
B**B
Solid seal, no contamination leaks
Works as it should, after injecting it seals right back up, I have not yet had a problem with contamination.Solid seal!
J**W
Fast shipping and packaged good
Fast shipping product as described and great price. Can’t really complain but made of a harder rubber than the higher quality product vacutainer type. Would buy again in a pinch
T**R
Game changers for liquid culture jars
These are game changers for liquid cultures for mushroom cultivation. Super cheap for how easy they make sterile spore and LC transfers.
J**O
good quality
was very happy with the quality of the product
J**R
Worked flawlessly.
100% success with zero contaminates. No problems being pressure cooked at 15psi for 90 minutes. The ports can be used multiple times, but they're so cheap I use new ones each time. 100 for $10 is an excellent buy.
K**E
good for the purpose
It works well
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