MH-400W/640-E40-CL-U-1SL/6 by PHILIPS - Buy or Repair at Radwell - Radwell.com
Lumatek MH žarulje – iGrow
MH PowerStar HQUI-BT Pro 400W bulb - Osram
400W | led-grower.eu
Sunkraft MH 400W Metal halide - Best light for vegetative phase
Amazon.com: Vegelumax MH 400W Metal Halide HID Grow Light Bulb Lamp with High PAR Enhanced Blue and Violet Spectrum for Indoor Horticulture Vegetative Plant Growth,CCT 6000K,36,000Lumens,E39 Base,1Pack : Everything Else