Specifications:High Pressure Mercury Reflector Fluorescent Lamp 1) HRF 250W, 300W, 400W, 700W, 1000W 2) Base: E27, ... E39, E40 Specifications: High Pressure Mercury Reflector Fluorescent Lamp1) HRF 250W, 300W, 400W, 700W, 1000W 2) Base: E27 ... , community and sporting fields, flood lighting High Pressure Mercury Reflector Fluorescent Lamp