Hmm, the review I just read said recharge them in a conservatory - how much for one of them fitting to my van? and does glass fold away
But reason they said that is when they are charging, the hot element will create steam and put the moisture back into the room you are trying to keep clear
Suppose they will do just the same job as the disposable ones we use, but these can be recharged, I usually buy a bag of crystals and refill mine
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Keeping Leapys boat sailing [You must be registered and logged in to see this image.]