The Sylvania circline is a circular fluorescent lamp with G10q lamp base diameter of 26mm. Life. This round (Circline) Fluorescent tubes have a failure rate of only 50% at 9,000 hours on conventional gear. The Sylvania The Circline delivered an efficiency of 59-74 lumens / watt what may be considered reasonable.
Applications. The Sylvania Circline is ideal for luminaires in offices, shops, schools, public buildings and industry. The major advantage of this lamp is that there is little blackening and a wide light distribution. What makes this lamp ideal for fixtures where visual comfort and aesthetics is important. This is dimmable SYLVANIA Circline at the right ballast.
Available in light colors 830 (white) and 840 (bright white). The color rendering (Ra) is higher than 85. The Circline is available in 22W, 32W and 40W. 
