2 x 25g. 

The Ecozone drain sticks are a new innovation in effective drain maintenance. The sticks break down almost anything that gets through the plughole which cause blockages and bad smells in the kitchen and bathroom. Using powerful natural bacteria and enzymes the drain sticks will keep your drains free flowing and clean smelling. Each packet of drain sticks contains 12 sticks, enough to help prevent blockages and bad smells for 1 year. Powerful effective treatment . Easy to use no fuss system . Continuous treatment – the sticks keep working to remove residues .Prevents blockages and bad odours.Safe to use with septic tanks