It uses a round fluorescent bulb.
													
																	4 pin circular fluorescent bulb. 
								
	
		
	
																	Looking for ge lighting circular fluorescent bulb t9 4 pin g10q 1 1 4 in bulb dia lumens 925 lm 5v522. 
																	4 pack plc 13w 841 4 pin g24q 1 13 watt double tube compact fluorescent light bulb replaces philips 38328 1 pl c 13w 841 4p alto sylvania 20667 and ge 97597 f13dbx 841 eco4p 4 0 out of 5 stars 473. 
																	Bulbmaster fc8t9 cw 22 watt 8 inch round t9 fluorescent circular light bulb cool white 4100k 1120 lumens g10q 4 pin base 22w circline ceiling lights 4 0 out of 5 stars 27 7 99 7. 
																	Price low to high. 
															
													
								
	
		
	
																	Grainger s got your back. 
																	Active 18 days ago. 
																	Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more. 
																	Feit electric 32w equivalent pl cflni triple tube 4 pin gx24q 3 base compact fluorescent cfl light bulb bright white 3500k 1 bulb model bpplt32e 35 hdrp view the pl fluorescent light bulbs. 
															
													
								
	
		
	
																	Troubleshooting a round fluorescent bulb with 4 pins in a square formation. 
																	12 length in t 9 shape. 
																	1 1 diameter in 32w energy used. 
																	1800 brightness lumens cool white bulb color. 
															
													
								
	
		
	
																	T9 led circline light bulb 8 inch 1600lm led circular light 13w clear cover 6000k daylight replacement for fc8t9 cw 22 watt fluorescent circular bulb fc8t9 cw ballast bypass required 4 4 out of 5 stars 566. 
																	4 pin g10q 5 4 pin t9 2 your selection. 
																	Sunlite 8 inch 22 watt circline t9 fluorescent tube light bulb cool white 4100k 2 pack model hd02226 2 13 49 case 13 49 case out of stock online. 
																	58 watt 120 volt t6 4 pin g10q base 3 500k circline tcp fluorescent light bulb. 
															
													
								
	
		
	
																	Ask question asked 3 years 7 months ago. 
																	I plugged it in turned it on and it doesn t light up.