Its fast, bright, its fluorescent light: Krypton on X: "Bright and White produces good Light! Due to many of Krypton's properties, the gas is often used in Fluorescent and Incandescent bulbs, airport
624400 40 watt Halogen Krypton & Xenon T3 Single Ended Light Bulb, Pack of 6 | Walmart Canada
Bulbrite Industries 60 Watt, T3 Xenon/Krypton Dimmable Light Bulb, (2700K) E11/Mini Candelabra Base - Wayfair Canada
Westinghouse Lighting 0625200 60 Watt, 120 Volt Clear T3 Single-Ended Xenon/Krypton Incandescent Light Bulb : Amazon.ca: Tools & Home Improvement