ROBERTSON 3P10047 Ignitor for 50-150W Metal Halide Lamp Equivalent to Philips-Advance LI533-H4-IC, Osram MH 100-3A, MH 70-3B, MH 150-35B, Universal 47996 Equivalent to Keystone IGN-XG-03, GE 86864001I, Fulham HHMH-IG70-150 Save by ordering the Quik-Pak of 10 individually packaged ROBERTSON units 2P10047 Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience. Go to RobertsonDirect.com for complete technical data.