The Source Four HID ships with the Philips CDM lamp, a 150 watt, 3000ºK color temperature lamp. The part number for this lamp is RT157.
We now also offer the Philips CDM, 150 watt, 4000ºK color temperature lamp. The part number for this lamp is RT158.
Currently we ship RT157 standard with the Source Four HID. If you need to order the Source Four HID with RT158, please specify.
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