Cobra Products 333 Drain Cobra Large Bladder

Product Description The Large Drain Bladder helps clear 4 -6 in. drains by expanding in the drain and forcing water pressure through the clog. The bladder is designed for use with garden hoses. From the Manufacturer This Drain Cleaning Water Bladder clears from 1-inch up to 6-inch drains as it expands in the drain, forcing water pressure through the clog. It attaches easily to a garden hose and is environmentally safe.