What Does it Take to Replace a 400 Watt Metal Halide? | Fireflier Lighting Limited
EiKO 400W HPS ED-18 Mogul Base Lamp
Yield Lab HPS 400w Lamp HID Bulb
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bulbeats 5Pack UFO LED High Bay Light 100W,15000lm (Eqv.400W MH/HPS) High Bay LED Lights, AC100-277V with US Plug Commercial Bay Lighting Energy Saving 760KW*5/Y(5Hrs/Day) -5Yrs Warranty - Amazon.com
Amazon.com: Vegelumax 400W HPS Super Grow Light Bulb,High PAR Enhanced Red and Orange Spectrum,CCT 2100K,Ultra Bright 55,000 Lumens,E39 Base,1pack : Everything Else