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Grower's Choice 4K 315 Watt Single Ended CMH Bulb

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Original price $139.00
Original price $139.00 - Original price $139.00
Original price $139.00
Current price $69.00
$69.00 - $69.00
Current price $69.00

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The Grower’s Choice 315w CMH/LEC Lamps are suitable for use in all standard 315w CMH/LEC fixtures. Grower’s Choice 315w CMH/LEC Lamps use a proprietary phosphor coating on the outside of the arc tube to provide you with the richest spectrum on the market.

Grower's Choice 4200K 315 Watt SE CMH Bulb Features

  • For use in any 315w CMH/LEC fixture
  • Produces more PAR per watt than standard Metal Halide
  • Richest spectrum on the market CRI of 97 makes this lamp the closest solution to sunlight available
  • Promotes extremely tight internodal spacing, leading to more flowering sites and a fuller canopy
  • Offers significant improvement in spectral quality over standard Metal Halide


    • Spectrum: 4200K - great for veg, but works for bloom also
    • Lumens Per Watt: 110
    • CRI: 98
    • Lumens At 100 Hours: 33000
    • Photon Flux: 540 umol/s
    • Lifespan: 15,000 hours

    See the full spec sheet here.

    Power 315 watts
    Spectrum 4200K
    Lumen@100 Hrs 33000
    Lumens Per Watt 110
    Photon Flux 540 umol/s
    CRI 98
    Lifespan 15,000 hrs

    - Free Shipping on all orders $175+ in the continental US (some exclusions apply).
    - In most cases tracking info will be provided via email within 24 hours of shipment.
    - Easy Returns within 10 days of purchase + 25% restocking fee.
    - Please see our Shipping & Returns policy for more details.

    Warranty Information
    Grower's Choice purchases include a 5 year warranty.