Eliminate the smell of clogged sewer drains and unclog your sink quickly. The BOSTON drain refresh ultra cleaning combo pack includes a 1.8m pipe and sinks cleaner as well as a 1L eco-enzyme drain cleaner that works to break down foodstuffs and maintain freshness as it clears blockages. For toilets, sinks, showers, bathtubs, and urinals, this cleaning combination is ideal for both household chores and industrial cleaning.