E40 to CDM Converter / Adapter


Sale price£11.99

Convert your reflector with full spectrum 315w CDM that gives more yield per watt than HPS!

CDM (Ceramic Discharge Metal-Halide) lamps give out an intense full spectrum light that plants love. The E40 to CDM Converter / Adapter converts your current reflectors E40 lamp fitting for use with a CDM lamp. CDM lamps give you incredible full spectrum light which gives much better quality than you would expect from HPS lighting alone.

How the E40 to CDM Converter / Adapter Works

The E40 to CDM Converter / Adapter simply screws into your reflectors E40 lamp fitting, this then lets you use CDM lamps alongside a specific CDM ballast such as the Maxibright Daylight.

To see our full CDM / CMH Grow Light Kits range, click here


  • Save on your electricity bills and produce the same yields!
  • CDM - full spectrum light output that plants love
  • Less heat output than equivalent HPS lights
  • Gives off 1.9 umols PPF per watt - amazingly efficient!

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