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400w HPIT Plus Tubular Metal Halide Discharge Lamp 645 4500k Cool White [Giant Edison Screw - E40 - GES Cap] (Philips 400HPITPLUS VZ) - - Amazon.com
Amazon.com: iPower GLBULBM400A 400W Grow Light Bulb Metal Halide MH Conversion Lamp for Plants with High PAR Enhanced Blue and Violet, 1 Count (Pack of 1), Spectrums CCT 6000K : Everything Else