T5 Circline

T5 High Output Circular Lamp - 55W Outside Diameter 12 inch - 4 Pin 2GX13 Base - 3500K Warm White - 12,000 Hrs. - FC55T5/835

T5 High Output Circular Lamp - 55W Outside Diameter 12 inch - 4 Pin 2GX13 Base - 4100K Cool White - 10,000 Hrs. - FC55T5/841

Philips 166017 - Master TL5 Circular  Fluorescent Lamps - 22W - 3000K Warm White - 1800 Lumens - 80CRI - 2GX13 Base -  Dimmable

List price is for whole pack of 10 pieces

T5 High Output Circular Lamp - 55W Outside Diameter 12 inch - 4 Pin 2GX13 Base - 4000K Cool White - 12,000 Hrs. - TL5C 55W/840 - FC12T5/840HO

Satco S2955 - 22 Watt - T5 Circline Fluorescent - Frosted - 2GX13 (4-Pin) Base - 1800 Lumens - 3000K Warm White - 9 Inch - 12000 Average rated Hours

Satco S2956 - 22 Watt - T5 Circline Fluorescent - Frosted - 2GX13 (4-Pin) Base - 1800 Lumens - 3500K Neutral White - 9 Inch - 12000 Average rated Hours