Mud-Pro2is the fastest, cleanest and most durable compound applicator on the market. Compound is mixed and stored in the pre-mounted five-gallon bucket keeping the compound wet and always ready to use. No daily clean-up. Just fold in the legs of Mud-Pro2and drop the pre-mounted bucket into 6 inches of water of the secondary five-gallon bucket (included). Also applies compound to bullnose and chamfered corner beads.