Ecozone Enzymatic Drain Cleaning Sticks 12 per packProbably the most convenient way of keeping your drains clean, Ecozone Enzymatic Drain Sticks use enzymatic power to prevent build ups in your drains and to eliminate odours. Effective and innovative the Drain Sticks break down almost anything that causes blockages and bad smells in the kitchen and bathroom. They are perfect for use in any sink that has an U bend. Ingredients Less than 5% Anionic Surfactants, Enzymes