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What's difference between metal halide and high pressure sodium?
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Amazon.com : iPower GLBULBM600 600W Grow Light Bulb Metal Halide MH Lamp for Plants High PAR Enhanced Blue and Violet Spectrums CCT 6000K : Plant Growing Light Fixtures : Patio, Lawn & Garden
Lighting Comparison: LED vs Metal Halide Lights
Plusrite Protected Metal Halide Lamp 175W NDL EDX54 4000K E27
What's difference between metal halide and high pressure sodium?
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Satco 100W Clear ED17 Medium Metal Halide High-Intensity Light Bulb - Roberts Hometown Hardware
Metal-halide lamp - Wikipedia
Feit Electric 100-Watt ED17 Shape Clear Metal Halide High Intensity Discharge E26 Medium Base HID Light Bulb (1-Bulb) MH100/U/MED/HDRP - The Home Depot
GrowBright 1000w Metal Halide Bulb | HTG Supply
Buy Satco ED28 Mogul Screw Metal Halide High-Intensity Light Bulb