Here we have one Philips SI 52 Ignitor
Height 40mm Width 38mm Length 85 Lamp metal halide 1000-2000watt HPI(-T) Un: 220..240v fn: 50/60hz
Lowest price online including ebay
These are only £14.99 each with free postage for the UK and low cost postage for overseas.
This listing is for one unit and I have more available. Please also see my other listings for many more items. Thank You