They are all much similar if not identical. They exist in both disposable or refillable versions.
Both are prepared the same way in a minute as shown here.
Our pictorials are of informative nature and do illustrate works carried by ourselves at our own premises for our own use and satisfaction.
Readers who envisage to carry out similar works inspired by the below method shall do this at their own risks and liability.
Small unit with a typical 3-week lifetime
Bigger unit that lasts 5 weeks
When done, the dehumidifier fills with liquid. The desiccant vanishes.