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TopoGrow 315W CMH 4200K Bulb for 350W/630W CMH Grow Light Kit Germination Stage

color temperature: 4200K, perfect for plant germination stage
33,000 initial lumens, 110 Lm/W. 540 μmol/s. Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
High 90% lumen maintenance at 8,000 hr./High 85% PPF maintenance at 20,000 hr

Description

Features:

These CDM lamps feature superior color quality and really crisp white light. Incredibly high 1.95 PPF (photosynthetic photon flux) per watt per second light source. 4,200K color temperature lamps to be had. High 97 CRI, 33,000 initial lumens (110Lm/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 (with out glass lens) or enclosed fixture use (with glass lens). Bi-pin lamp base is compatible with all iPower® Brand Technology Fixtures.
High 90% lumen maintenance at 8,000 hr / High 85%
Expected Life Span (hr): 20,000
Unique Open Rated Lamp construction reduces radiant warmth from the arc tube
color temperature: 4200K, easiest for plant germination stage
33,000 initial lumens, 110 Lm/W. 540 μmol/s. Promotes extremely tight internodal spacing, resulting in more flowering sites and a fuller canopy
High 90% lumen maintenance at 8,000 hr./High 85% PPF maintenance at 20,000 hr
4200K color temperature. High 97 CRI makes this lamp the nearest method to sunlight to be had. Offers significant improvement in spectral quality over usual Metal Halide Bulb
Great for indoor gardening or supplemental greenhouse lights

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