1、Compatible Model: The replacement filter is applicable for BSV2020P BSV2020G cordless vacuum cleaners. The size and shape can fit the vacuum cleaner well. 2、Efficient Cleaning: The filter is very important for the normal operation of the vacuum cleaner. They reduce dust, pollen and other allergic fine particles and prevent them from circulating in the air of the home. 3、Replacemnet Part: Regularly replaced filters can improve vacuum performance.You can use this vacuum cleaner filter to replace the old or damaged part. 4、ABS Material: The vacuum cleaner filter is made of premium ABS material, which is firm and can be used for a long time and is not easy to be damaged. 5、Easy to Maintain: This vacuum replacement filter can be washable and reusbale, can be reused after drying. And it is easy to disassemble and replace.