





🧪 Elevate your lab game with precision and clarity — don’t let your samples settle for less!
The ALWSCI 300 µL vial inserts are crafted from USP Type 1, 68 borosilicate glass, featuring a conical base and compact 6x31 mm dimensions. Designed for 9-425 vials and compatible with 11 mm crimp and snap tops, these inserts provide a precise 300 µL usable volume, ensuring bubble-free, contamination-resistant sample handling. Sold in packs of 100, they are ideal for professional labs seeking reliability and efficiency.










| ASIN | B07DF7LNNT |
| Best Sellers Rank | #296,593 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #457 in Lab Sample Vials |
| Date First Available | May 30, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 3.52 ounces |
| Item model number | 2ML-N2004 |
| Manufacturer | ALWSCI |
| Package Dimensions | 4.65 x 4.06 x 1.69 inches |
L**S
These inserts work for 2 mL HPLC vials
These inserts work for 2 mL HPLC vials. To avoid bubbles, Introduce the sample from the bottom of the insert using a micropipette.
S**R
Glass inserts that work
Product showed up on time and worked well with 2ml amber glass vials
M**E
Excellent product
Exactly what I expected. Came in a timely manner
A**J
Worth the price
Bout two packages. You can find one or two inserts per package that are a little weird, other than that, everything is OK.
J**H
Good polyspring vial insert.
Good product. Nice price. Convenient packaging. Works as expected.
A**W
Works well
Works well
Trustpilot
1 month ago
3 weeks ago