The BrassCraft Medium Hydro Pressure Drain Cleaning Bladder Pro, 1.5-in to 3-in, attaches directly to your garden hose and clears stubborn debris. It is perfect for unclogging sinks, tubs, showers, and laundry drains, this expandable bladder utilizes water pressure to dislodge hair, soap scum, and other buildup, restoring drainage and water flow without the need for harsh chemicals. Simply connect to the hose, insert it into the drain opening, and inflate the bladder until the blockage is cleared - it's that simple.