New to the range, the Citrus Ecozone Drain Sticks are a new innovation in effective drain maintenance. The sticks use powerful natural bacteria and enzymes to break down almost anything (such as soap scum and other organic matter) that gets stuck in the plughole and pipes which cause blockages and bad smells. Actively working to prevent obstructions from occurring, these clever sticks can help to protect your drains all year round with a subtle zesty citrus smell. Safe for septic tanks and aquatic life. Breaks down grease, fat and food that accumulates daily Keeps your drains free flowing, fresh and odour-free Each packet of drain sticks contains 12 sticks for monthly use over 1 year