From the product description, check product page for current description, price and availability:
- Non-toxic and chemically inert to biological ﬂuids and most acids.
- Can be heat sealed to use for liquid storage or transport.
- Pipets can be frozen in liquid nitrogen.
- Produced from a custom grade of low-density polyethylene (LDPE) to make them non-slippery. This makes Globe Scientiﬁc pipets easy to grip with gloves.
300 mm is just shy of 12″ at 11.811″, 23 milliliters/CCs is about .78 ounces.
I have these and the length makes them long enough to take refractometer samples directly from the fermenter. Of course, that’s going to depend on your fermenter.
6/24/19 3 AM Central: These highly rated pipettes are selling for $15.40. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices, shipping and availability can change quickly. Please note that product prices and availability are subject to change. Prices and availability were accurate at the time this post was published; however, they may differ from those you see when you visit Amazon. Check the product page for current price, description and availability. Also: Recent Amazon Finds and Amazon Fillers Resource Page
More: Recent Amazon Finds