The NU6-1122 instant start miniature electronic ballast is designed specifically to power T9 22 Watt circline fluorescent lamps. The compact match-box size of the NU6 is ideal for many applications where size is a factor. Applications include ceiling lamps, torchieres, task lights. B PLus L Technologies also offer mylar enclosure if you need it in a really small package. It is available for 120V. CSA and UL certified.