The Basic Split Bucket System as in (2 Buckets) holds up to 1.6 gallons and has a plug to drain the dirty water. The stainless steel wringer allows you to control the mop heads moisture and the extra-long mop pole extends up to (61") which eliminates the need to bend and strain your back. Additionally, the 2 bucket system connects with three hooks and are stackable for convenient storage. Includes 1 Microfiber Mop Head that are machine washable - just remember to wash them individually and hang them out to dry! For faster cleaning you can spin the mop head back and forth in the bucket with clean water after your done mopping your floors.  Microfiber Mop Heads - 14" Ideal for smaller spaces. Split Bucket requires refilling frequently.  *  All systems come Standard with Round Disc * Two Bucket System Needs refilling every 3 to 4 spins making it IDEAL for smaller spaces