Campden/Kmeta free ciders do exist, but sulfite free ciders do not. Yeast produces sulfites naturally during fermentation.
A UV sterilizer for an aquarium would not be effective on raw apple juice since it's so cloudy, and does not inhibit yeast in clear cider. In this case, cold-crashing and in bottle pasteurization are your friends, or consider investing in a decent filter.
In all the states no door stands wider,
To ask you in to drink hard cider