Compatible Model: This filter accessory kit compatible with Rowenta X-Force Flex 11.60 / 14.60 / 15.60 Animal RH9878, RH9898, RH9958, RH99F1 cordless handheld vacuum cleaner (please confirm your vacuum cleaner model before purchase!). Package Contents: 4 replacement filters for Rowenta X-Force Flex 11.60/14.60/15.60 Animal RH9878, RH9898, RH9958, RH99F1 vacuum cleaner, replaces ZR009007 and ZR009008 (2 pre-motor filters + 2 post-motor filters). High Quality: The filter kit is made of high-quality soft material with strong filtration power. It can improve the suction power of the vacuum cleaner for hair pet dander, pollen, dust mites, large dust particles, etc. and give you a clean environment. Replace Frequency: The filter kit locks in and is easily replaced without tools. To maintain the vacuum cleaner's strong suction power, it is recommended to replace the filter kit every 2-3 months.