Non-return valve

ANTI-RETURN VALVE for ventilation ducts find all the diameters of anti return air dampers in 100mm, 125mm, 150mm, 160mm, 200mm, 254mm, 315mm, metal or plastic anti return air dampers according to your choice and your different needs

ANTI-RETURN VALVE for ventilation ducts find all the diameters of anti return air dampers in 100mm, 125mm, 150mm, 160mm, 200mm, 254mm, 315mm, metal or plastic anti return air dampers according to your choice and your different needs