AQUATICLIFE Replacement LED Module T5 HO & CF 1W Blue Part# 470103 The AquaticLife LED Module T5 HO & CF 1W Blue (AquaticLife Part# 470103) are replacement LEDs for the AquaticLife T5 HO Fixtures and AquaticLife Compact Fluorescent Fixtures Note: We are now selling this new style LED. It is the only replacement LED made available from AquaticLife and it is 100% compatible with all older AquaticLife Compact Fluorescent and T5 Fixtures.