OWSEN Powerful Drain Cleaner, Washbasin Cleaner,Super Clog Remover Chemical Powder Agent for Kitchen Toilet Pipe Dredging (1pcs) : Amazon.co.uk: Grocery
Mr Muscle Drain Unblocker, Sink & Drain Cleaner, Fast Acting Heavy Duty Drain Gel, Dissolves Clogs, Works 3x Better Than Bleach, Safe for All Pipes, Duo Pack (2 x 500ml) : Amazon.co.uk: