bathroom walls Bulgaria

... to purge air from small and mediumsized residential, office and commercial premises or as heat exchangers between adjacent premises. The fans are mounted on walls, ceilings and suspended ceilings and are attached to air ducts or pipes of the building’s ventilation system with connection diameters 100 mm, 120 mm and 150 mm. Safety The MM Series fans are made of highquality and harmless materials, and they comply with noise and fire safety standards. The protection degree of the builtin electric motor is IP 24, IP X4, IP X5 and IP 56 which enables the fan to normally operate in high humidity...