E5 Retro Series LED tubes are a new light from Euroquatics which are directly swappable with high output T5 fluorescent tubes. If you’ve ever wanted to use LEDs but are already heavily invested in a T5HO fixture, the Euroquatics E5 Retro Series give you no more excuses to at least dabble in light emitting diodes. … Continue reading E5 Retro Series LED tubes swap out with T5HO lamps