Muc-Off Bike Cleaner Concentrate 500ml 20822. Refilling uses less energy than recycling Basically it s cheaper for you and better for our planet. Specifications for Muc-Off Nano-tech Gel 500ml Pouch: Manufacturer: Muc-Off Volume: 500 ml Package Contents: Muc-Off Nano-tech Gel 500ml Pouch The Muc-Off Nano-tech Gel 500ml Pouch is a quality addition to the Muc-Off lineup. For more great deals on Bike Tools & Maintenance by Muc-Off please browse our Muc-Off Bike Tools & Maintenance page.