Juwel Rio 260 & Arcadia Overtank Luminaire

[buzz_boss]

will this size fit my juwel vision 260 tank, my juwel light unit has broken so looking to upgrade to this just not sure if it will fit ok?
http/www.completeaquatics.co.uk/store/product/1599/Arcadia-Overtank-Luminaire-OT5-2-x-54W-1250mm-Freshwater/

thanks danny