The massive 25-litre dust canister is ideal for larger cleaning tasks, where there is a significant volume of dust and dirt to vacuum. It has a power outlet in the top of the vacuum which allows you to attach a power tool and then use the vacuum as an extractor while you work. A popular feature for tradesmen and other commercial operators. It has wet (25L) and dry (15L) capability. It can be used for both dry dust and dirt, and also wet material pickup.