There is also aMicro Heki Rooflight - a relatively rare model, it fits in a very small 28x28cm (11" square) roof aperture. HekiMini Rooflight - 40x40cm / 15 3/4" x 15 3/4". HekiMidi Rooflight 50x70cm / 19 1/2" x 27 1/2".
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