The Muc-Off Bike Cleaner Concentrate offers an eco-friendly refill option for your current Bike Cleaner container.5 litre carton = 20 litres of Bike Cleaner at £4 per litre1 litre bottle = 4 litres of Bike Cleaner at £5 per litre500ml pouch = 2 litres of Bike Cleaner at £6 per litreQuickly and safely cleans using Nano TechnologyPowerful degreaser in concentrate formUses 89% less packaging that two 1 Ltr Muc-Off bottlesBiodegradable (only contents)Safe on all surfaces including carbon fibre and anodised metalWill not harm seals, brake pads or rotorsThe Muc-Off Bike Cleaner Concentrate is the same award winning cleaner but in concentrated form - 5 litre concentrate makes up to 20 bottles of Nano Tech Bike Cleaner. When in its concentrated form, the cleaner can also be used as a powerful degreaser in its concentrate form and it really works like a charm in Muc-Off s X-3 Dirty Chain Machine. If you are using Bike Cleaner Concentrate as a degreaser, simply apply directly to drive chain area