The Ember R-Line-6MPS Collapsible 6 ft. Commercial Propane Flame Patio Heater in Gun Metal. The new R-Line Series features upgraded hardware, finishes, and eco-friendly heating options. This upgraded Solid Steel structure features the first of its kind collapsible frame technology and collapses to a compact 4 ft. tall height for simple storage. The tempered glass tube generates 360-degrees of heat distribution to a 36 square foot area. This powerhouse cylinder heater powers 36,000 BTUs for up to 12 hours with Propane Tank. The patented Spiral Flame creates an elegant atmosphere and is protected with 360-degree steel grill that remains cool to touch. Manual Touch-to-Start electronic ignition along with our Tilt Switch Auto-Shutoff makes it simple, safe, and fast. The patented latching door makes it easy to access burner assembly and base. Available in premium finishes and additional accessory options makes the R-Line-6MPG a need for your outdoor living space.