Compatible with for POWERSERIES+ Cordless Stick Vacuum Models BHFEA420J, BHFEA520J, BHFEA18D1 Compare to Part # 5140238-22, premium quality sponge filter replacement for BHFEA420J, BHFEA520J, BHFEA18D1. It is recommended that the sponge filter to be cleaned every 3-6 months for best performance. The filter is washable and reusable, you can clean it simply rinse with warm soapy water regularly, let it completely air dry out before reusing them. Colour:Black Material:sponge Package Contents: 8 * Sponge Filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.