All of Normfinish’s installations fulfil the NER (Netherlands Emissions Guidelines) and as an option may be constructed with an extra-fine filter. To reduce the noise level, one can use an extra muffler or complete enclosure. The blaster in a free blasting room has a pressurized air connection on its top through which the pressurized air can be cleaned through an extra active charcoal filter. Naturally, the units have CE labels.