General description vhbw offers a high-quality 2-part filter set designed for optimal performance in your Rowenta X-Force Flex RH9878WO/4Q0 and RH9879WO/4Q0 vacuum cleaners. This set ensures excellent suction capacity and filtration, providing outstanding cleaning results. Technical specifications Set includes: 1x pre-motor filter and 1x motor protection filter Pre-motor filter dimensions: Diameter 11.4 cm, Height 5.3 cm Motor protection filter dimensions: Diameter 10.6 cm, Height 10.6 cm Material: Plastic / filter paper Color: Black / white Washable Replacement cycle: Every 6 - 9 months Compatibility and accessories Compatible with Rowenta X-Force Flex RH9878WO/4Q0 and RH9879WO/4Q0 Replacement for ZR009007 and ZR009008