Don:
The brochure in my hands says the Consistancy lamps (Philips) has 1.7 % UVB (european standards) while the Heraeus 4/160 has 1.1 % UVB ( european standards
http://www.heraeus-noblelight.com/111.0.html )
At the Solaria trade show, they haven't any informations available about the HP version they gave me informations only about the Consistancy. This was the best information received during the Solaria about lamps, Cosmedico and Heraeus had the wrost/bad informations.