The Koenig K0606 RAPID laser machine is our largest compact all-in-one design with a high quality in-build air compressor, inbuilt water chiller and extraction fan the engraving machine will take up a small footprint in any school, office or workshop environment. For indoor machine set-ups please ask us about our air filter options. This compact desktop laser machine comes fully assembled and calibrated ready to go! Just add water as instructed and get making!