Complete reptile T5 UVB system for Ferguson Zone 1 animals. The new Gen 2 versions of the Eco T5 range provide UVB to nocturnal and crepuscular species. The Reptile Systems Eco T5 Gen 2 are lightweight units, that include the relevant T5 bulb, a built-in reflector, and the flicker-free ballast unit to power it, all ready to plug in and go.