existing lamps and the ballast cover 26 will be the only components of the existing strip fixture 10 which require disposal in the retrofit process according to the instant invention as shown in fig8 12 the embodiment of the surface mount fluorescent strip light fixture retrofit kit i e assembly or unit is comprised of a plurality of generally c shaped mounting brackets 228 preferably two and a retrofit channel 230 the brackets 228 attach to the interior side or underside of the existing strip channel 12 the retrofit channel 230 hangs from the brackets 228 and wraps around the remaining components of the existing fixture 10 more specifically as shown in fig9 each mounting bracket 228 has a horizontal arm or central span 232 first and second depending legs 234 a 234 b on either side of the horizontal arm 232 and first and second upturned hook section 236 a 236 b which bend upwards around the bottom edge of the existing channel 12 since the mounting brackets 228 attach to the bottom of the existing channel 12 the invention will function regardless of the depth of the channel the horizontal arm 232 has a first end 239 a and a second end 239 b and a length l which is slightly shorter than the width w of the existing channel 12 the depending legs 234 a 234 b extend downward from the first end 239 a and the second end 239 b of the horizontal arm 232 the upturned hook sections 236 a 236 b extend upward and outward from the bottom end of the depending legs 234 a 234 b forming hook like structures therewith the depending legs 234 a 234 b each have a fastener hole 242 preferably the mounting.