The Black Dome Clamp Lamp fixture is a highly reflective aluminium dome which increases UVB and UVA output. Suitable for use with all E27 screw lamps and heat emitters the multi-directional clamp fits in corners and helps to flexibly direct heat and light. Contains a heat resistant ceramic fitting. Features Include: Versatile multi-directional pivoting clamp. Heat resistant ceramic screw-fit lamp holder. Reflective aluminium dome maximises UVB output. Suitable for screw fit bulbs up to 60W (14cm) and 150W (21cm).