General description These high-quality vacuum cleaner bags from vhbw are designed for compatibility with Numatic NVM-4BH and 604019 models. They offer a cost-effective solution to maintain your vacuum cleaner's performance, ensuring it operates efficiently by preventing loss of suction due to a full bag. Technical specifications Material: microfleece Length: 76 cm Width: 63 cm Capacity: 40 l Suction nozzle opening diameter: 50 mm Colour: white Content of delivery 20x vacuum cleaner bags