These Philips Master Color Full Spectrum lamps feature superior color quality and very crisp white light. Incredibly high 1.95 PPF (photosynthetic photon flux) per watt per second light source. 3,100°K Green Power or 4,200°K color temperature lamps available. High 92 CRI, 33,000 initial lumens (105Lm/W). High 90% lumen maintenance at 8,000 hr/High 85% maintenance at 20,000 hr. Double glass jacketed lamp is rated for either open fixture use (without glass lens) or enclosed fixture use (with glass lens). Bi-pin lamp base is compatible with all Sun System® LEC® Brand Technology Fixtures. PLEASE NOTE: These Philips lamps are designed & optimized to be paired with a Philips brand electronic ballast. All Sun System® LEC® Brand Technology fixtures are made with a Philips brand electronic ballast(s). If these lamps are used with a different fixture type, you will likely experience a shortened lamp life and possibly premature lamp failure.
Until the Philips Master Color Full Spectrum lamp has achieved a least 10 hours of operation, the lamp should never be turned off sooner than 2 minutes, including during the installation test. In case that this has happened, you will have to wait 1 hour before switching on again. Failure to comply with this requirement may lead to ignition problems.