For attenuation of noise produced by a ventilation system and spread along ventilation ductworks. Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment...
For attenuation of noise produced by a ventilation system and spread along ventilation ductworks. Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment...
For attenuation of noise produced by a ventilation system and spread along ventilation ductworks. Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment...
For attenuation of noise produced by a ventilation system and spread along ventilation ductworks. Used jointly with sound-insulated fans in premises with high requirements to noise level produced by ventilation equipment...