![Pack of 2) FC40T5/-12" T5 Flurescent Circline - 40 Watt - 2GX13 Base - (FC12T5) (4100K - (Cool White)) - - Amazon.com Pack of 2) FC40T5/-12" T5 Flurescent Circline - 40 Watt - 2GX13 Base - (FC12T5) (4100K - (Cool White)) - - Amazon.com](https://images-na.ssl-images-amazon.com/images/I/61rgIRqh1BL._AC_UL600_SR600,600_.jpg)
Pack of 2) FC40T5/-12" T5 Flurescent Circline - 40 Watt - 2GX13 Base - (FC12T5) (4100K - (Cool White)) - - Amazon.com
![40 Watt T5 Circline Fluorescent Lamp - Neutral White (3500K) - 2GX13 (4 Pin) - Halco - FC40T5/835 [109084H] 40 Watt T5 Circline Fluorescent Lamp - Neutral White (3500K) - 2GX13 (4 Pin) - Halco - FC40T5/835 [109084H]](https://shop.regencylighting.com/media/catalog/product/cache/209063393915996ef34f93ab8c8d5b0b/1/6/1604422317_halco_t5_109084_1.jpg)
40 Watt T5 Circline Fluorescent Lamp - Neutral White (3500K) - 2GX13 (4 Pin) - Halco - FC40T5/835 [109084H]
![Bulbrite 520091 - 5PK - 22W - T5 - 2GX13 Base - 3000K - 10,000Hrs - Soft White - 9" Circline Fluorescent Light Bulbs - - Amazon.com Bulbrite 520091 - 5PK - 22W - T5 - 2GX13 Base - 3000K - 10,000Hrs - Soft White - 9" Circline Fluorescent Light Bulbs - - Amazon.com](https://m.media-amazon.com/images/I/31ny4y-TZIL._AC_SY580_.jpg)
Bulbrite 520091 - 5PK - 22W - T5 - 2GX13 Base - 3000K - 10,000Hrs - Soft White - 9" Circline Fluorescent Light Bulbs - - Amazon.com
![205mm 225mm 300mm 375mm Frosted LED T9 2GX13 Replacement G10Q Circline Light 12'' 18W LED Circular Tube|LED Bulbs & Tubes| - AliExpress 205mm 225mm 300mm 375mm Frosted LED T9 2GX13 Replacement G10Q Circline Light 12'' 18W LED Circular Tube|LED Bulbs & Tubes| - AliExpress](https://ae01.alicdn.com/kf/HTB1mJWCejgy_uJjSZPxq6ynNpXav.jpg)