Home / SW900 Spares / SW900 Engine spares / FILTER.AIR View basket “PRE FILTER AIR FOAM” has been added to your basket. FILTER.AIR£57.46 FILTER.AIR quantity Add to basket SKU: 146 0823 000 Categories: SR1000S Petrol Engine Spares, SW900 Engine spares Description Description Genuine Nilfisk part no. 146 0823 000 Item 24 in the picture Related products PRE FILTER AIR FOAM £25.93 Add to basket BELT V SPZ 800 £27.42 Add to basket HOSE OIL FILLING KIT £103.46 Add to basket SPARK PLUG £27.31 Add to basket