Liquid drain cleaners don't have to be bad for the environment. Drain OUT products are designed to be powerful, effective and safer for the environment. Drain OUT bathroom drain opener is specifically formulated to clear bathroom blocks by powering through tough hair and soap scum clogs. This unique formula cleans tough blocks and freshens the drain and pipes. Drain OUT bathroom drain cleaner unclogs sink and bathtub drains, getting them running again quickly. With regular use, Drain OUT prevents slow running drains. Drain OUT is plumbing and septic safe.