


🔴 Dive into science with style and precision!
The 305 Cartesian Diver Apparatus is a 2.5-inch hand-blown glass tool featuring a distinctive red band for visibility. Designed to demonstrate buoyancy and atmospheric pressure, it operates by rising and falling in water columns when pressure changes. Compact and versatile, it fits standard lab cylinders or soda bottles, making it a must-have for educators and science enthusiasts seeking a visually engaging, hands-on experiment.














| ASIN | B00UCQN7EI |
| Best Sellers Rank | #283,866 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #182 in Lab Distillation Apparatus |
| Date First Available | March 7, 2015 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.16 ounces |
| Item model number | 305 |
| Manufacturer | GSC International |
| Product Dimensions | 0.6 x 0.76 x 2.25 inches |
L**A
Too small
To small couldn’t find it after I put it down
W**N
Not worth it
It was bigger in the picture but was false advertisement. It's just 1 in. Really not worth it
B**E
it sucks
It was not worth the cash. Nor it was not what I expected.
T**R
Does not work
Bought for a Cartesian diver science project for my son. It does not work. Don’t waste your money.
K**Y
Not what I thought
It was way too expensive for a tiny item
A**4
Not worth the money
Picture is misleading, don't waste your money
K**Z
Nope
Worthless
Trustpilot
2 days ago
2 weeks ago