No issues

the item worked as expected. nice job. There should be more communication between amazon and DHL people so people could track the package

I'm a heavy equipment mobile mechanic. I bought this so I can go to my welding supply store and get liquid nitrogen to freeze and shrink bearings and pins. I purchased this in April of 2022. It has held up to field abuse and riding around in the back of the service truck. This summer, just as a test; I filled the tank up and then let it sit outside in the sun for about a month. Over a 4 week period, it lost 1/2 of the contents.........sitting in the baking sun......I'd say that's pretty good. It comes with stainless steel sample holders...........some of them are solid on the bottom, others have sieves to drain the liquid nitrogen out when removing the sample holders. These are color coded on top of the handle (I didn't need those so I threw them away). Also have a blue nylon sleeve covering the outside of the tank. The sleeve has some thin foam on the inside for protection of the tank and some insulating value. The sleeve has 2 straps (maybe like a packpack??) and a large pocket so you can store notes or any written info or records on the tank. Seems like a nice unit..........does what I need.............transporting liquid nitrogen.

My daughter became an ai technician and needed a tank to hold cow straws in. We took this tank to the local cattle genetics place, and they were nice enough to fill it up, but they recommended we have a tank with a longer canister tube for the semen straw holders. These are short, but if you cut the straw holders in half, they will fit the canisters well. You just can not hold as many straws, but that was ok for my daughter, who is only a local ai tech for small farms anyway. I suggest that US Solids will make their canisters taller, since it seems to be something that the semen straw people want or offer the option of taller canisters. Her tank was filled up recently, but she bought the measuring stick to watch it. I will do an update on how this tank performs. Thanks!

Update: This tanks does very well. We watched the cm's and it was consistantly losing 1 cm a week. then when it got to around 10 cm's it started jumping down by 2 to 3 cms. We refilled it at 7 cms. All the straws inside were still good! Nice little tank! I highly recommend if you are starting out and need to hold some straws for your own cows or as a small starter ai tech.

I filled this dewar with LN at the beginning of the year (January 9th) for an experiment. There was a little bit leftover after we were done, so we decided to see how long it would last before everything evaporated. 3 months later (March 9th as of the time of writing), and there's still a small amount of liquid in the bottom. I couldn't believe it until I saw it, but this little 10L dewar has maintained a cold temperature for 3 months. 10/10