Flat radiators are dust collectors that doesnt have to be the case dusty ribs in the radiators prevent the air circulation and an even warmth distribution this brush will deal effectively with dust the long flexible wire will enable you to get through and get to the dust at the bottom the dust which collects on the brush can easily be shook out afterwards the brush can be washed in hand warm water size 6 x 115 cm diameter x height material bristles horse hair bristles goat