Coldie Cooling Cartridge.
For arctic air mini air conditioner.
The cartridge Has been developed via our consistent desire to create an  alternative to the water cooling. Best for Humiditie climate.
(Water cartridge best for Dry heat.)
Coldie as a supplier to the construction  industries for 10 years via our air conditioned hard hats.
Coldie has the answer for portable air conditioning.
All you need is a fridge with a small freezer for the cartridge to freeze.
The cartridge has a non toxic gel that stays frozen for a long time. The cartridge has aluminium tubed, so that the air can flow through and cool. Expected cooling times are between 2-3 hours.
Cartridges can be refrozen hundreds of times.