What dehydrator does Russell use?
I always seem to come back to Excalibur dehydrators.
You can see a breakdown of dehydrators I did here.
For all my current kit recommendations, click here.
Any of the lesser known and cheaper ones tend to not do the job particularly well. Many of them have a fan on the bottom of the unit, rather than a rear-mounted one. This means that your foods will need to be constantly rotated because the air circulation is often so uneven. You really get what you pay for, as is the case with most things.