Hoover clean solution tank assembly. Made to fit f7205-900, f7205-910, f7205-970, f7210-900, f7220-900, f7225-900, f7226-900, f7425-900, f7426-900, f7221-900, f7225-900, f7226-900, f7425-900, f7426-900, f7430-900, f7440-980, f7441-980, f7443-940, f7431-900 and all steamvac's not listed. You will need to purchase the solution handle separately h-39457030. The Threaded cap assembly has been discontinued with no alternative.