Generally speaking, compared with old generation of T8 halogen
fluorescent tube, the SparTube can save about 50% enegay and issues
similar intensity of illumination.
Compared with new tri-band fluorescent T8 tubes, depending on the
real power of SparTube (it could be specified by customers), SpartTube
can save about 30% energy and issues less or equivalent illumination.
There are many types of fluorescent tubes in market. Above assertions
are just offered as references without guarantee.