The original drain clearer and still the best drain unblocker, drain cleaner, drain opener on the market Clears drain blockages fast & keeps drains flowing For trade and industrial use as part of a drain maintenance programme Quickly dissolves organic obstructions & removes limescale No need to rod the drain, simply pour a measured dose into the nearest access point and within minutes the drain is clear and free flowing Packaging approved by the Department of Transport, Civil Aviation Authority and the Health & Safety Executive, certificate 3850 and United Nations Number 4G/Y3/S/00/GB/3850 Septic tank friendly. Environmentally safe – 100% Biodegradable Available in heavy duty 1 litre and 2.5 litre bottles, with child resistant tamper evident closure Brand:DB1L Manufacturer Stock Code:192202 EAN Code:5051258022332 Height:280 mm Diameter:85 mm Sub-Category:Chemicals Brand:Wiseman Pack Size:9 Certification:WRAS Category:Sealants and Additives