Ignitor, Sodium, 250/400W lighting-&-electrical-components This is a replacement housing

This is a replacement housing

906716 or 906717 for communication with the EL controller

Chlorine & Chloramine Reduction: Up to 99%

Capacity: 320 PPD

Ignitor, Sodium, 250/400W lighting-&-electrical-components This is a replacement housing250 400 watt Sodium Ignitor (all ballasts) Ignitors are components inside ballasts. They take power off the transformer and use it to strike the bulb inside the reflector. Replacement ignitors are available in a variety of wattages, brands, and types. Be sure to review item numbers and descriptions carefully before ordering. Contact your Hydrofarm sales representative for help selecting the proper components.