Oatey Clog Buster Drain Flusher unclogs drainpipes in minutes and eliminates the need for using chemical drain products. Clog Buster connects to a garden hose to safely, cleanly and easily clear drain pipes of obstructions with pulsating water pressure. It is use for most common residential drain applications. Highlights: Size: 1" - 2" Bladder: Natural Rubber Crimp ring: Brass Environmentally safe and easy-to-use way to unclog drains. Adapter available to use with garden hose.