OptiClimate 15000 Air-Cooled SystemGet the perfect growing conditions for maximum yields get an OptiClimate 15000 Split Air Conditioning System! It'll cool, heat, filter, dehumidify and circulate air, without using water. This can be a great cost saver. You can forget about pests, diseases and wasted CO2 hardly any air is exchanged. All foul odours and mould are filtered out, too. You can synchronise it with 24 x 600W lights or 35 x 400W lights AND CO2 equipment with a Dimlux Maxi