GE 97634 Biax T/E Eco 42W 4-Pin Amalgam Fluorescent Lamp F42TBX/830/A/ECO NEW | eBay
Compact fluorescent lamp - Wikipedia
NOMA CFL 9W Twist Bulbs, 4-pk | Canadian Tire
SLEEKLIGHTING 23 Watt T2 RED Light Spiral CFL Light Bulb, General Purpose - UL Approved- 120V, E26 Medium Base- Indoors/Outdoor Energy Saver (Pack of 4) - Amazon.com