Product offering includes new high output 22 Watt and 32 Watt Full spectrum Plus Circline Fluorescent Bulbs, Item No's. C215 and C315.NEW T5 - 22 WATT CIRCLINE BULBS - AVAILABLE IN FULL SPECTRUM 5500K, 91 CRI AND DAY LIGHT 6500K, 85 CRI! Ballasts are also available - the Sunpark #SP-SL15T) will operate 2 bulbs (one - 22 watt circline and one 32 watt circline). See Ballast section, or page 2 of this section. Circline ballasts.