This hand operated unit is designed for use with natural or bottled gas and air. A mixer valve enables the user to adjust the flame for maximum heat. A small air pump is available to give a flow of air and a regulator and pressure gauge is recommended to keep the flow constant. The ampoule is placed and held on the adjustable platform and turned while manually drawing off the ampoule top with tweezers. Specifications Output: up to 10 per minute Length: 125 mm Width: 210 mm Height: 280 mm Weight nett: 1.86 kg (excluding air compressor), gross: 2.4 kg Services required: Electricity 240-1-50AC to power air compressor (if required) Gas: Natural gas supply or from bottled butane or propane gas Carton size: 35 x 31 x 17cm