FILTR POWIETRZA 6.904-242.0 / NT 30/1 NT 40/1 ZAMIENNIK

Compatibility with Kärcher NT vacuum cleaners

The replacement air filter is designed for professional Kärcher vacuum cleaners from the NT series. Compatibility with the NT 30/1, NT 40/1 and NT 50/1 models makes it easier to choose the service part, and the 6.904-242.0 replacement format allows the appliance to be restored to proper working order without replacing the entire vacuum cleaner. The flat pleated design provides a large filtering surface in a compact cartridge, while precise dimensional fit supports a tight seating of the insert.

Filter replacement without unnecessary steps

Replacing the insert is simple: switch off the vacuum cleaner, remove the worn filter, insert the new one and close the housing. Simple installation in the filter cartridge makes self-service easier when working in a workshop or on a building site. Thanks to the flexible sealing frame, the filter sits securely in the socket, and the properly closed housing helps limit dust flow past the insert.

Regular cleaning supports airflow

During intensive vacuuming, dust settles between the pleats, so the filter should be tapped out regularly or blown through with dry compressed air. The repeatedly folded insert makes effective use of the available filtering surface, and dry cleaning helps maintain airflow without contact with water. A properly functioning filter protects the vacuum cleaner turbine and reduces the risk of reduced suction power when working with construction dust and wood shavings.

Effective retention of M and L dust

The filter supports vacuum cleaner operation in tasks that generate fine debris. Retention of M and L class dust works well with plaster, cement and wood dust, while the accordion-style filtering surface helps maintain favourable airflow in the appliance. Protection of the turbine against dust helps keep the vacuum cleaner efficient during regular workshop and construction work.

Reinforced insert and tight sealing

The filter design combines elements responsible for effective filtration and stable seating. The insert made of reinforced cellulose paper creates an accordion-like dust-retaining surface, and the polyurethane sealing frame fits the filter cartridge. As a result, the frame’s tight fit limits contaminants from passing beyond the actual insert during vacuum cleaner operation.

Cleaner air while vacuuming

A properly functioning filter helps limit the return of fine dust to the surroundings when cleaning rooms, workshops and work areas. Effective air filtration supports user comfort, and retention of fine particles reduces their presence in the working space. Regular inspection of the insert and replacement when heavily clogged help maintain stable suction power of the appliance.

Specification