Compatibility Replacement filter for Gtech AirRam Mk2 and Air Ram MK2 K9 cordless handheld vacuum Washable and reusable The MK2 K9 spares are washable and reusable. Simply rinse with clean water and let completely air dry before reusing Easy to install Remove your old filter and it with the filter. Fits with precise molding for a secure fit Maintenance guidance Wash the filter once every month and the filter every 23 months. Regular cleaning helps maintain the cordless Gtech vacuum's performance for longer Size 23 x 5.5 x 3.9 cm Use scenarios Daily home cleaning on floors and carpets with the AirRam Mk2 to maintain strong suction and efficient operation Car interior cleaning with the MK2 K9 handheld vacuum for quick, effective debris and dust removal Pet hair and traffic area maintenance where regular filter washing and timely replacement help preserve suction and performance