The 11kg Calor patio gas cylinder is perfect for fueling patio heaters and BBQs on long summer evenings. It now features BioLPG, a sustainable alternative made from vegetable oils, wastes, and residues. Our 11kg propane gas cylinders contain at least 20% renewable BioLPG, following a globally recognized mass balance supply chain for renewable energy. Always store your patio gas cylinder outdoors. Please ensure that you return your empty gas cylinder upon collection. If you do not have an empty cylinder to return, you can add an empty cylinder to your order by clicking the link provided.